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A-1 Heating and Air Conditioning ServicesHVAC contractor in Greeley, CO

A-1 Heating and Air Conditioning Services is an HVAC contractor at 107 N 23rd Ave, Greeley, CO 80631, ranked #3 of 242 HVAC contractors in Greeley and rated 4.9 from 301 Google reviews. Open 24 hours a day, 7 days a week.

Greeley, COUpdated 0 paid placements in any rankingHow we rank

Call (970) 352-3500Website ↗

Key facts

Key facts about A-1 Heating and Air Conditioning Services
Address107 N 23rd Ave, Greeley, CO 80631Get directions
Phone(970) 352-3500
Websitea1heat-air.com
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 301 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Greeley and 9 towns within 25 miles: Evans, Windsor, Milliken, Johnstown, Loveland, Berthoud, Fort Collins, Wellington and Fort Lupton.

Based in Greeley, COView on map

Opening hours

Opening hours for A-1 Heating and Air Conditioning Services
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

A-1 Heating and Air Conditioning Services compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
A-1 Heating and Air Conditioning Services (this business)—644.9 (301)—YesYes
Origin Plumbing Heating Cooling Electrical#1655.0 (384)—YesYes0.9 mi
McCormick Heating & Cooling#2645.0 (896)—YesYes3.2 mi
Lemons Heating & Cooling#4644.9 (298)—YesYes3.2 mi

See all 242 ranked HVAC contractors in Greeley

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 301 Google reviews

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Questions about A-1 Heating and Air Conditioning Services

How is A-1 Heating and Air Conditioning Services ranked in Greeley?

A-1 Heating and Air Conditioning Services is ranked #3 of 242 HVAC contractors in Greeley by CR Score, with 64 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are A-1 Heating and Air Conditioning Services’ hours?

A-1 Heating and Air Conditioning Services is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does A-1 Heating and Air Conditioning Services serve?

Serves Greeley and 9 towns within 25 miles: Evans, Windsor, Milliken, Johnstown, Loveland, Berthoud, Fort Collins, Wellington and Fort Lupton. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about A-1 Heating and Air Conditioning Services?

A-1 Heating and Air Conditioning Services has a rating of 4.9 from 301 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact A-1 Heating and Air Conditioning Services?

Call A-1 Heating and Air Conditioning Services on (970) 352-3500. The business is at 107 N 23rd Ave, Greeley, CO 80631. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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