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ContractorsRanked

Emergency HVAC Contractors in Nepean, ON (2026)

Top 26 of 213 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 26 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Nepean: Francis Home Environment Heating and Air Conditioning, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency HVAC contractors in Nepean at a glance

Top emergency HVAC contractors in Nepean at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Francis Home Environment Heating and Air Conditioning964.9★ (6,159)Ottawa, 1 km away24/7
2Anchor Home Comfort944.9★ (3,646)Ottawa, 12 km away24/7
3AirZone HVAC Services934.9★ (1,010)Ottawa, 1 km away24/7
4Reliance Holmes Ottawa Heating, Air Conditioning & Plumbing934.7★ (8,352)Ottawa, 12 km away24/7
5Enercare934.7★ (5,672)Ottawa, 9 km away24/7
6Ottawa Home Services934.9★ (1,200)Ottawa, 5 km away24/7
7Francis Plumbing Heating & Cooling934.8★ (1,470)Ottawa, 5 km away24/7
8JD Swallow Heating & Cooling934.9★ (1,311)Ottawa, 8 km away24/7
9Oria Heating and Cooling925.0★ (545)Ottawa, 7 km away24/7
10Enercare924.8★ (2,654)Ottawa, 16 km away24/7

Call an emergency HVAC contractor in Nepean now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 26 emergency HVAC contractors in Nepean, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 213 is on the HVAC contractors page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  5. #5 Enercare

    Based in Ottawa, 9 km away

    93/100CR Score

    Ranked #5 because of its Google rating and availability: 4.7★ from 5,672 Google reviews, open 24/7.

    • 4.7★ from 5,672 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2160 Thurston Dr, Ottawa, ON K1G 6E1
    View profile for Enercare(613) 216-0023

  10. #10 Enercare

    Based in Ottawa, 16 km away

    92/100CR Score

    Ranked #10 because of its Google rating and availability: 4.8★ from 2,654 Google reviews, open 24/7.

    • 4.8★ from 2,654 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    50 Frank Nighbor Pl, Ottawa, ON K2V 1B9
    View profile for Enercare(613) 383-1210

  13. #13 Apple HVAC

    Based in Ottawa, 5 km away

    91/100CR Score

    Ranked #13 because of its Google rating and availability: 5.0★ from 220 Google reviews, open 24/7.

    • 5.0★ from 220 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1468 Chatelain Ave, Ottawa, ON K1Z 8B1
    View profile for Apple HVAC(613) 315-7325

  14. #14 NKR HVAC

    Based in Nepean

    91/100CR Score

    Ranked #14 because of its Google rating and availability: 4.9★ from 160 Google reviews, open 24/7.

    • 4.9★ from 160 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    160 Andre Audet Avenue, Nepean, ON K2J 5Z2
    View profile for NKR HVAC(613) 413-6143

  18. #18 Orange HVAC

    Based in Nepean

    90/100CR Score

    Ranked #18 because of its Google rating and availability: 5.0★ from 84 Google reviews, open 24/7.

    • 5.0★ from 84 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5252 Mitch Owens Rd unit 2, Manotick, ON K4M 0V1
    View profile for Orange HVAC(613) 868-7263

  22. #22 Tempzone Hvac

    Based in Ottawa, 5 km away

    90/100CR Score

    Ranked #22 because of its Google rating and availability: 5.0★ from 100 Google reviews, open 24/7.

    • 5.0★ from 100 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3399b McCarthy Rd, Ottawa, ON K1V 9G6
    View profile for Tempzone Hvac(613) 862-5551

Top 26 of 213 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #26, in CR Score order; each links to its profile.

HVAC contractors in Nepean, ranks 26 to 26
RankBusinessCR ScoreGoogle ratingDistance
26Core Climate Ltd.895.0★ (110)11 km

How we ranked emergency HVAC contractors in Nepean

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency HVAC contractors in Nepean: questions

Which HVAC contractors in Nepean are open 24/7?

25 on this list post 24/7 hours, including Francis Home Environment Heating and Air Conditioning, Anchor Home Comfort, AirZone HVAC Services, Reliance Holmes Ottawa Heating, Air Conditioning & Plumbing and Enercare.

Who is ranked #1 for emergency heating and cooling in Nepean, ON?

Francis Home Environment Heating and Air Conditioning is #1, with a CR Score of 96 out of 100 on emergency weights.

How are emergency HVAC contractors in Nepean ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Nepean

  1. October 2026: CR Scores recalculated for 213 hvac contractors serving Nepean.

More emergency and heating and cooling pages