45 AC Replacement Contractors in Boulder, CO
Top-Rated AC Replacement Contractors in Boulder
Canyon Plumbing & Heating, Inc
“All 11 sampled reviewers awarded 5 stars, with 5 specifically naming Andrew, Daniel, Danny, or Amanda by name. Emergency response appears prominently, multiple…”
Peak to Peak Plumbing & Hydronics
“All 188 reviews are five-star ratings. Customers consistently mention technicians who explained what repairs involved and why, with several noting fair or…”
All AC Replacement Contractors (45 total)
Boulder Water Heaters
“All 73 reviews award 5 stars, with customers consistently praising Mike's fair pricing, rapid same-day or…”
Longs Peak Heating and Cooling
“All eight sampled reviews award five stars, with three customers specifically naming Jaime and noting…”
Fusion Heating & Air Conditioning
“All three detailed reviews award 5 stars, with customers specifically naming technicians Chris, Axel,…”
Allied Heating & Air Conditioning
“Five of six reviewers specifically mention technician Nathan, with all five-star reviews praising his…”
Elevation HVAC, LLC
“All 31 reviewers award 5 stars, with Tony specifically named as the technician delivering service across…”
Trinity Appliance & Fireplace
“All 36 reviews award 5 stars, with technicians Richard and Alex named across multiple customer accounts.…”
OHH-ZONE
“Twenty-eight reviews collectively award OHH-ZONE a 5-star average, with every client rating the maximum…”
Vertical Heating & Cooling LLC
“Across 38 reviews, 5-star ratings dominate and frequently mention emergency availability, with one reviewer…”
Evolve Solar & Radiant Heat
“All 23 reviews award 5 stars, with Raimund named as the primary contact in multiple positive accounts.…”
Indian Peaks Plumbing LLC
“All 19 reviews award 5 stars, with 6 of them specifically praising the technician's same-day or weekend…”
Go-Forth & Fix It
“Seven of seven visible reviews award 5 stars, with customers specifically praising same-day arrival during…”
Left Hand Thermal HVAC
“All 9 reviewers awarded 5 stars, with the city inspector validating their permit work during Nick Lopez's…”
Chinook Heating and Air
“All 12 reviewers award 5 stars, with Steve specifically named in multiple reviews as the technician…”
Summit AC Repair Boulder CO
“All 8 reviews give Summit AC Repair a perfect 5-star rating. Every customer praised fast scheduling and…”
Mechanical Diagnostics
“All 9 reviews award 5 stars, with multiple reviewers specifically praising honest recommendations and fair…”
MME Home Services
“Of 14 reviews, 2 customers gave 5-star ratings praising Morris's knowledge and craftsmanship on older…”
Schwab Plumbing
“All seven reviewers award 5 stars, with three mentioning specific same-day or weekend availability. Four…”
Advanta Cleaning Air Services
“All eight visible reviewers award 5-star ratings, with six explicitly praising the speed of response and fair…”
The HVAC Team of Firestone
“Both reviewers awarded 5 stars, with 100% mentioning efficiency improvements and lower utility bills after…”
JB Heating & Air, Inc.
“All five reviewers award 5 stars, with three specifically naming technician John and highlighting his…”
Colorado's Finest Heating and Air Conditioning
“All four reviewers awarded 5 stars, with three specifically naming technicians Jordan or Cody as the reason…”
Rocky Mountain Heat Pumps
“All five reviewers awarded 5 stars, with Clay specifically named in four reviews. Pricing appears…”
North-Valley Plumbing & HVAC
“All seven reviews award five stars, with customers frequently praising thorough testing procedures, workspace…”
Nieto Mechanical Solutions
“All three published reviews award 5 stars, with two clients specifically praising response times during…”
JT Mechanical LLC
“All 4 reviewers award 5 stars, with each narrative naming the same technician (Jake) and describing distinct…”
ACE HVAC Repair Boulder
“Insufficient review data currently exists to aggregate reviewer sentiment patterns. The business displays…”
AC Replacement Costs in Boulder
Replacement costs for aging systems in Boulder. If repair cost exceeds 50% of replacement, replacement is usually more economical.
| Service | Low | Average | High |
|---|---|---|---|
Central AC (3-ton, basic) | $6,160 | $8,960 | $12,320 |
Central AC (4-ton, mid-efficiency) | $8,400 | $11,760 | $15,680 |
Central AC (5-ton, high-efficiency) | $10,640 | $14,000 | $17,920 |
Full HVAC system (AC + furnace) | $12,981 | $15,042 | $15,792 |
Plus ductwork replacement If existing ducts are aged/leaking | $2,352 | $3,360 | $4,480 |
| Repair cost threshold | 50% rule: if repair > 50% of replacement, replace | ||
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Replacement in Boulder, CO: What to Expect
Boulder sits at 5,430 feet in a semi arid continental zone, where summer highs reach 88 F but only about 28 days push past 90 F, while winter lows average 19 F. The thin air cuts system capacity by roughly 10 15%, so units must be sized to match the Denver area convention. This drives demand for AC Replacement in Boulder, and homeowners can choose from 45 contractors who hold an average rating near 4.3 across 1,200 client reviews.
Pricing for a new central AC in Boulder reflects system size and efficiency. A basic 3 ton unit runs $6,160 to $12,320, while a mid efficiency 4 ton model costs $8,400 to $15,680. For a high efficiency 5 ton system, the range stretches from $10,640 to $17,920. These figures include equipment, labor, and typical permits. Because Colorado does not issue a statewide HVAC contractor license, installers must meet local city or county licensing requirements, which ensures compliance with building codes and safety standards. Altitude effects may also influence the final bid.
Customer feedback highlights rapid response and clear communication. Reviewers for Canyon Plumbing & Heating, Inc repeatedly mention technicians Andrew, Daniel, Danny, and Amanda arriving the same day or the next day during emergencies, and all 11 sampled ratings are five stars. Peak to Peak Plumbing & Hydronics holds a 5.0 rating across 188 reviews, with clients praising technicians for explaining the purpose of each repair and noting fair or lower than expected pricing. Trinity Appliance & Fireplace also earns five star remarks, with customers highlighting same day visits by Alex and Richard and transparency on the final bill.
Frequently Asked Questions
Other HVAC Services in Boulder, CO
All HVAC Contractors in Boulder, CO
Complete directory of 151 contractors — browse alphabetically
A–Z
All HVAC Contractors in Boulder, CO
Complete directory of 151 contractors — browse alphabetically
A
- A&K Mechanical LLC
- Above all Plumbing Heating and Air
- ACE HVAC Repair Boulder
- Advanta Cleaning Air Services
- Aero Mechanics LLC
- Affordable Comfort Mini Split Pros LLC
- AG Services, LLC
- Air Care Colorado
- Air Duct Repair CO
- AirServices Tech Boulder
- AirSource
- All-Star Pros Heating & Air Conditioning Boulder
- Allied Heating & Air Conditioning
- Alps Performance HVAC
- Anchorline Partners
- Anytime Heating and Cooling
- Apex Air Heating & Cooling
- Aqua Care Solar LLC
- Astra Service Partners
- Attraction Heating & Cooling LLC
B
C
- Canyon Plumbing & Heating, Inc
- Centennial Plumbing & Heating
- Charles D Jones Co.
- Chestnut Mechanical
- Chinook Heating and Air
- Colorado State Mechanical
- Colorado Test and Balance
- Colorado's Finest Heating and Air Conditioning
- Comfort Science, LLC
- Comfort Zone Heating & Air Conditioning
- Comfy Castle Heating and Air
- Compel Sheet Metal
- Compel Sheet Metal
- Core Air AC Repair Services
- Core Air Services
- Corporate Comfort HVAC Repair Boulder CO
D
E
F
H
J
L
M
- Marco's AC and Heating
- Marmot Heating, Cooling & Plumbing
- Master HVAC Repair Boulder
- Mayer Plumbing
- Mechanical Diagnostics
- Mesa Drain Cleaning & Sewer Repair
- Mesa Plumbing, Heating and Cooling
- Metal HVAC/Duct Cleaning
- Meyers Heating & Air Conditioning
- MJ Brunin, LLC
- MME Home Services
- Monarch Heating and Air Conditioning
- Moreno HVAC LLC
- Mountain Dryer Vent Cleaning
N
P
S
T
- The Boulder Home Theater Company
- The HVAC Guys of Lafayette
- The HVAC Team of Firestone
- Timberline Mechanical System LLC
- Timnath Heating and Cooling
- Titan HVAC Repair Boulder
- Tough Stuff Contracting. Additions, Full home remodels, Custom home builds
- Trinity Appliance & Fireplace
- Trinity Appliance & Fireplace