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10 Best HVAC Companies in Ottawa, ON

Ottawa homeowners have a deep field of heating and cooling contractors to choose from, and these ten lead it on Google reviews: Ottawa Home Services, J.C. Robinson & Sons, Anchor Home Comfort, AirZone HVAC Services, Francis Home Environment Heating and Air Conditioning, Reliance Holmes Ottawa Heating, Air Conditioning & Plumbing, JD Swallow Heating & Cooling, Rick Menard Heating & Cooling, Francis Plumbing Heating & Cooling, and Tempzone Hvac. Every company below holds at least a 4.5-star average on 50 or more Google reviews, operates from a real Ottawa-area address, and lists genuine credentials such as TSSA registration or HRAI membership. The list runs in the same order Google Maps ranks them for HVAC searches in Ottawa.

  • Last reviewed September 2026
  • 10 companies reviewed · How We Rank

Our top 10 hvac companies in Ottawa

Ottawa's winters put furnaces through months of continuous demand, and its summers, while shorter than points south, still push central air conditioning hard enough that a broken system is more than an inconvenience. That combination has produced a crowded, competitive HVAC market in the city, from large national brands with dozens of technicians to small, owner-run shops built on word of mouth. We built this list from actual performance: current Google ratings, review volume, stated credentials such as TSSA registration and HRAI membership, and whether that performance has held up over a meaningful number of reviews rather than a handful of recent ones. Some companies on this list dispatch around the clock for furnace emergencies; others keep a more traditional weekday schedule. Both approaches earn a place here because both suit different needs, whether you are dealing with a dead furnace at midnight or planning a routine AC replacement.

  1. Ottawa Home Services

    Best for 24-hour service backed by HRAI, TSSA and ESA membership4.9(1361 Google reviews)1559 Laperriere Ave, Ottawa, ON K1Z 5H1Best for Homeowners who want one company for furnace, AC and broader home service calls    Rank01

    Why we picked them

    Ottawa Home Services combines round-the-clock dispatch with membership in all three associations Ontario homeowners check for, backed by 1,361 reviews at a 4.9-star average.

    What we like

    • 24-hour dispatch for furnace and AC emergencies
    • Member of HRAI, TSSA and ESA
    • Rating has held steady across a large review base

    Things to consider

    • Larger operation than some of the smaller names on this list

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Maintenance plans

    Key details

    Best for
    Homeowners who want one company for furnace, AC and broader home service calls
    Service area
    Ottawa
    Emergency service
    Available
    Credentials
    HRAI Member

  2. J.C. Robinson & Sons Ltd.

    Best for an established Bank Street name4.7(435 Google reviews)1726 Bank St, Ottawa, ON K1V 7Y6Best for Homeowners who want an established Ottawa company with set weekday hours    Rank02

    Why we picked them

    J.C. Robinson & Sons has served Ottawa's central neighbourhoods for years, with reviewers citing familiarity with the city's older housing stock.

    What we like

    • Long-standing local reputation
    • Technicians familiar with older Ottawa homes
    • Solid 4.7-star average across 435 reviews

    Things to consider

    • Weekday-only hours, closed weekends

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Maintenance plans

    Key details

    Best for
    Homeowners who want an established Ottawa company with set weekday hours
    Service area
    Ottawa
    Credentials
    Licensed HVAC Contractor

  3. Anchor Home Comfort

    Best for review volume and consistency4.9(3975 Google reviews)1181 Parisien St, Ottawa, ON K1B 4W4Best for Homeowners who want a high-volume, highly reviewed HVAC company    Rank03

    Why we picked them

    Anchor Home Comfort has built one of the largest review bases in Ottawa's HVAC market, nearly 4,000 reviews at a 4.9-star average.

    What we like

    • Nearly 4,000 Google reviews at 4.9 stars
    • 24-hour dispatch for emergencies
    • Reviewers cite honest repair versus replacement advice

    Things to consider

    • High demand can mean a longer wait in peak season

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Heat pump installation
    • Duct cleaning
    • Maintenance plans

    Key details

    Best for
    Homeowners who want a high-volume, highly reviewed HVAC company
    Service area
    Ottawa
    Years in business
    40 years
    Emergency service
    Available
    Financing
    Available
    Credentials
    Licensed HVAC Contractor

  4. AirZone HVAC Services

    Best for in-house, not subcontracted, technicians4.9(1162 Google reviews)174 Colonnade Rd S #27, Ottawa, ON K2E 7J5Best for Homeowners who prefer a company using directly employed, not subcontracted, technicians    Rank04

    Why we picked them

    AirZone HVAC Services staffs every call with directly employed technicians rather than subcontractors, and reviewers credit that model for consistent service.

    What we like

    • Uses only in-house technicians, no subcontractors
    • Listed on the HRAI contractor locator
    • 4.9-star average across 1,162 reviews

    Things to consider

    • Smaller footprint than the largest names on this list

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Heat pump installation
    • Maintenance plans

    Key details

    Best for
    Homeowners who prefer a company using directly employed, not subcontracted, technicians
    Service area
    Ottawa
    Years in business
    21 years
    Emergency service
    Available
    Financing
    Available
    Credentials
    HRAI Member

  5. Francis Home Environment Heating and Air Conditioning

    Best for the largest review base in Ottawa's HVAC market4.9(6891 Google reviews)38 Antares Dr Ste 400, Ottawa, ON K2E 7V2Best for Homeowners who want the largest, most-reviewed HVAC company in the Ottawa market    Rank05

    Why we picked them

    Francis Home Environment has amassed nearly 6,900 Google reviews at a 4.9-star average, the most of any company in this ranking.

    What we like

    • Nearly 6,900 reviews at a sustained 4.9-star average
    • States TSSA registration for gas-fired equipment work
    • 24-hour dispatch

    Things to consider

    • Scale means a more corporate feel than a small local shop

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Maintenance plans

    Key details

    Best for
    Homeowners who want the largest, most-reviewed HVAC company in the Ottawa market
    Service area
    Ottawa
    Years in business
    93 years
    Emergency service
    Available
    Credentials
    TSSA Registered Contractor

  6. Reliance Holmes Ottawa Heating, Air Conditioning & Plumbing

    Best for national-brand resources4.7(9572 Google reviews)1000 Logistics Private Unit 3, Ottawa, ON K1J 3N2Best for Homeowners who want the backing and resources of a large national provider    Rank06

    Why we picked them

    Reliance Holmes Ottawa is the local branch of a major national provider, with the highest review count in this ranking at nearly 9,600.

    What we like

    • Largest review volume in this ranking, nearly 9,600 reviews
    • Backed by a national provider's resources and financing
    • States TSSA and HRAI certifications

    Things to consider

    • Can feel more corporate than a small independent company

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Maintenance plans

    Key details

    Best for
    Homeowners who want the backing and resources of a large national provider
    Service area
    Ottawa
    Emergency service
    Available
    Financing
    Available
    Credentials
    TSSA Registered Contractor

  7. JD Swallow Heating & Cooling

    Best for warranty-backed installations4.9(1497 Google reviews)2759 Fenton Rd #14, Ottawa, ON K1T 3T8Best for Homeowners who want a mid-size Ottawa HVAC company with strong, consistent reviews    Rank07

    Why we picked them

    JD Swallow Heating & Cooling advertises industry-leading warranties on its installs, a detail reviewers specifically cite when choosing the company.

    What we like

    • Industry-leading warranties on installed equipment
    • 4.9-star average across nearly 1,500 reviews
    • 24-hour dispatch

    Things to consider

    • Confirm exact warranty terms at quote, as they vary by product

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Duct cleaning
    • Maintenance plans

    Key details

    Best for
    Homeowners who want a mid-size Ottawa HVAC company with strong, consistent reviews
    Service area
    Ottawa
    Years in business
    42 years
    Warranty
    Industry-leading warranties on installed equipment, as advertised by the company; exact terms vary by product and should be confirmed at quote.
    Emergency service
    Available
    Financing
    Available
    Credentials
    Licensed HVAC Contractor

  8. Rick Menard Heating & Cooling

    Best for a locally recognized, TSSA-licensed team4.9(1196 Google reviews)1228 Old Innes Rd Unit 313, Ottawa, ON K1B 3V3Best for Homeowners who want a locally recognized company with set weekday hours    Rank08

    Why we picked them

    Rick Menard Heating & Cooling has been recognized locally as one of Ottawa's best HVAC companies, with a 4.9-star average across 1,196 reviews.

    What we like

    • Local recognition as one of Ottawa's best HVAC companies
    • States TSSA licensing
    • Supports local causes like the Ottawa Food Bank

    Things to consider

    • Weekday hours only, 8am to 4pm, closed weekends

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Maintenance plans

    Key details

    Best for
    Homeowners who want a locally recognized company with set weekday hours
    Service area
    Ottawa
    Credentials
    TSSA Licensed

  9. Francis Plumbing Heating & Cooling

    Best for combined HVAC and plumbing work4.8(1521 Google reviews)894 Boyd Ave, Ottawa, ON K2A 2E3Best for Homeowners who want HVAC and plumbing handled by the same licensed contractor    Rank09

    Why we picked them

    Francis Plumbing Heating & Cooling pairs licensed plumbers with HVAC technicians, useful when a heating issue and a plumbing issue are connected.

    What we like

    • Licensed plumbers and HVAC technicians on the same team
    • 4.8-star average across 1,521 reviews
    • 24-hour dispatch

    Things to consider

    • Separate company from the similarly named Francis Home Environment

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Heat pump installation
    • Duct cleaning
    • Maintenance plans

    Key details

    Best for
    Homeowners who want HVAC and plumbing handled by the same licensed contractor
    Service area
    Ottawa
    Years in business
    93 years
    Emergency service
    Available
    Credentials
    Licensed Plumbing and HVAC Contractor

  10. Tempzone Hvac

    Best perfect review record among smaller companies5.0(125 Google reviews)3399b McCarthy Rd, Ottawa, ON K1V 9G6Best for Homeowners who want a smaller, closely run company with a flawless review record    Rank10

    Why we picked them

    Tempzone Hvac has a flawless 5.0-star average across all 125 Google reviews, with reviewers describing no-pressure, straightforward service.

    What we like

    • Perfect 5.0-star rating across every review
    • Reviewers cite no-pressure repair advice
    • Licensed and insured

    Things to consider

    • Smaller review base than the larger names on this list

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Maintenance plans

    Key details

    Best for
    Homeowners who want a smaller, closely run company with a flawless review record
    Service area
    Ottawa
    Credentials
    Licensed HVAC Contractor

Compare the top hvac companies in Ottawa

Ranking position reflects our editorial review, not customer ratings.

Editorial comparison of the 10 ranked companies. Customer ratings, where shown, come from the source named on each company profile.
RankCompanyBest forKey servicesService areaGoogle ratingEmergencyProfile
01Ottawa Home ServicesHomeowners who want one company for furnace, AC and broader home service callsAC repair, AC installation, Furnace repairOttawa4.9 (1361)YesView →
02J.C. Robinson & Sons Ltd.Homeowners who want an established Ottawa company with set weekday hoursAC repair, AC installation, Furnace repairOttawa4.7 (435)Not listedView →
03Anchor Home ComfortHomeowners who want a high-volume, highly reviewed HVAC companyAC repair, AC installation, Furnace repairOttawa4.9 (3975)YesView →
04AirZone HVAC ServicesHomeowners who prefer a company using directly employed, not subcontracted, techniciansAC repair, AC installation, Furnace repairOttawa4.9 (1162)YesView →
05Francis Home Environment Heating and Air ConditioningHomeowners who want the largest, most-reviewed HVAC company in the Ottawa marketAC repair, AC installation, Furnace repairOttawa4.9 (6891)YesView →
06Reliance Holmes Ottawa Heating, Air Conditioning & PlumbingHomeowners who want the backing and resources of a large national providerAC repair, AC installation, Furnace repairOttawa4.7 (9572)YesView →
07JD Swallow Heating & CoolingHomeowners who want a mid-size Ottawa HVAC company with strong, consistent reviewsAC repair, AC installation, Furnace repairOttawa4.9 (1497)YesView →
08Rick Menard Heating & CoolingHomeowners who want a locally recognized company with set weekday hoursAC repair, AC installation, Furnace repairOttawa4.9 (1196)Not listedView →
09Francis Plumbing Heating & CoolingHomeowners who want HVAC and plumbing handled by the same licensed contractorAC repair, AC installation, Furnace repairOttawa4.8 (1521)YesView →
10Tempzone HvacHomeowners who want a smaller, closely run company with a flawless review recordAC repair, AC installation, Furnace repairOttawa5.0 (125)Not listedView →

HVAC companies serving Ottawa and nearby areas

Most companies in this ranking work across Ontario and the surrounding suburbs. Coverage and travel fees vary, so confirm your address is inside the service area before scheduling.

  • Ottawa
  • Nepean

Nearby rankings

Ottawa, Ontario

Service coverage across Ottawa. Individual company areas are listed on each profile.

How we chose the best hvac companies in Ottawa

Read our full ranking methodology →

Rankings follow the order these companies appear in Google Maps search results for HVAC contractors in Ottawa, ON, which Google itself weighs using a mix of relevance, distance and prominence, prominence being driven largely by review volume and rating. We only included companies with a real Ottawa-area address (including former municipalities like Nepean and Gloucester that amalgamated into the City of Ottawa in 2001), a rating of at least 4.5 stars, and at least 50 Google reviews.

How to choose a hvac company in Ottawa

  • Verify insurance and credentials

    Ask for a current certificate of insurance and confirm registration or licensing with the authority that issues it, not with the company.

  • Ask for a written estimate

    Scope, materials, removal, disposal and who pulls the permit should all be named on the page rather than agreed on the doorstep.

  • Compare multiple quotes

    Two or three bids on the same scope. A number far below the others usually means something has been left out of it.

  • Understand the warranty

    Separate the manufacturer's warranty on materials from the company's own warranty on the work, and get both in writing.

  • Ask who performs the work

    Find out whether the crew are employees or subcontractors, and who supervises them on the day.

  • Check recent local projects

    Ask for addresses or photographs of comparable jobs finished nearby in the last year or two.

  • Avoid high-pressure sales

    A discount that expires today, or a knock on the door after a storm, is a reason to slow down rather than sign.

  • Get everything in writing

    Change orders, timeline and payment schedule included, before the first payment changes hands.

Questions to ask before hiring

  • Are you insured, and can you send the certificate?
  • How long have you worked in this area?
  • Will you provide a written estimate with materials listed?
  • What warranty do you offer on the work itself?
  • Do you use subcontractors for this job?
  • Who handles permits and inspection?
  • What would you recommend here, and why?
  • How are unexpected costs handled once work starts?
  • What is the estimated timeline from start to finish?
  • Can you provide recent local references?

Red flags

  • No verifiable local business address or registration
  • Pressure to sign on the first visit
  • A demand for full payment up front
  • An offer to cover or waive your insurance deductible
  • Refusal to put warranty terms in writing
  • A quote that will not itemize scope

Related home services in Ottawa

HVAC guides for Ottawa homeowners

HVAC companies in Ottawa FAQs

  • How much does furnace repair cost in Ottawa?

    A straightforward furnace repair, such as an igniter or blower motor replacement, typically runs in the low hundreds of dollars in Ottawa, while a major component failure like a heat exchanger can cost significantly more. Get a written estimate before work starts, since pricing depends on the furnace's age, the part needed, and whether the call happens during regular hours or as an emergency.

  • What credentials should an Ottawa HVAC contractor have?

    Look for TSSA registration, since the Technical Standards and Safety Authority oversees anyone working on gas-fired furnaces and heating equipment in Ontario, and HRAI membership, the industry association that lists reputable heating and cooling contractors on its contractor locator. Every company on this list states one or both of these credentials.

  • Should I choose a 24-hour HVAC company in Ottawa?

    If your furnace fails during an Ottawa cold snap, round-the-clock dispatch matters, since waiting until the next business day is not a safe option in deep winter. For planned work like a routine AC install or maintenance visit, a company with set weekday hours can work just as well and sometimes offers more predictable scheduling.

About this ranking

Originally published
September 2026
Last reviewed
September 2026
Companies evaluated
10

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