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Location and Projects

Address
6285 W 48th Ave, Wheat Ridge, CO, 80033
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Major Heating & Air Conditioning Inc

As Denver HVAC contractors and geothermal system experts, Major Heating and Air Conditioning believes in doing things right! Since 1970, Major has been providing "best in class” heating and air conditioning services that truly improves the quality of life of our customers. Since then we continued to innovate and today we are also the Rocky Mountain Region's most respected geothermal heating and cooling company.

From BuildZoom: Major Heating & Air Conditioning Inc, 6285 W 48th Ave, Wheat Ridge, CO (Owned by: Duffey Shawn) holds a Plumbing Contractor license and 70 other licenses according to the Lafayette license board.

Their BuildZoom score of 113 ranks in the top 3% of 55,949 Colorado licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Major Heating & Air Conditioning Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.

Major Heating & Air Conditioning Inc Services

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Major Heating & Air Conditioning Inc Contact Information

Phone: (720) 980-9713
Address: 6285 W 48th Ave, Wheat Ridge, CO 80033

Major Heating & Air Conditioning Inc Wheat Ridge

Quality

113
97th percentile
How is the BuildZoom score calculated?
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Major Heating & Air Conditioning Inc has a BuildZoom score of 113, which places them above 97% of 55,949 contractors in Colorado.

Activity

114 projects
 2025
72 projects
 2024
53 projects
 2023
Our building permit records indicate that Major Heating & Air Conditioning Inc has worked on at least 239.0 projects over the past 3 years.

This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.

Experience

7 projects
 New Constructions
4 projects
 Home Additions
3 projects
 Commercial Renovations
204 projects
 HVAC projects
141 projects
 Mechanical projects
Analyzing permits over the last 4 years shows that Major Heating & Air Conditioning Inc mostly works on hvac project and mechanical project projects.

Pricing

32 projects
 < $5k
99 projects
 $5k-$20k
34 projects
 $20k-$50k
14 projects
 $50k-$100k
13 projects
 $100k-$250k
2 projects
 $250k-$500k
2 projects
 $500k-$1mil
Value Not Public: 41.0 projects
The typical size of their permits is approximately $13,500. This graph shows the distribution of these job values.
Pro tip: For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.

Building Permits by Major Heating & Air Conditioning Inc

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Mechanical permit
3480 W Kentucky Ave, Denver, CO, 80219
2025-06-27
Major heating and air conditioning will remove and dispose of two existing gas-fired make-up air units and furnish and install two new heat pump make-up air units with integrated gas-fired backup heat. the new units will be of equal or improved capacity and will be installed in accordance with project specifications
Valuation:
$193,979
Permit #:
2025-MECH-0004247
Status:
issued
Fee:
$1,296
Permit Type:
N/A
Building Type:
Commercial
Commercial construction permit
7865 E Mississippi Ave, Apt 1402, Denver, CO, 80247
2025-02-21
New cooling tower to replace existing tower candlewyck condos 7865 e. mississippi avenue replacing like for like (same make and size) cooling tower for west building. we are setting the new tower next to the old tower to minimize down time. same connections power amps etc. tower is located on concrete pad on the ground next to mechanical room
Valuation:
N/A
Permit #:
2024-COMMCON-0002399
Status:
issued
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Building log
4895 N Peoria St, Denver, CO, 80239
2025-09-08
Boiler replacement and system upgrade prepared by major heating and air conditioning major heating and air conditioning will replace your two aging peerless 211a cast iron boilers with two new high-efficiency laars neotherm nth500njn2 natural gas boilers (laars-nth500 ng). each boiler will come equipped with a factory-mounted pump. scope of work includes: removal of the existing peerl... see more
Valuation:
$92,462
Permit #:
2025-LOG-0008902
Status:
plancheck
Fee:
$361
Permit Type:
N/A
Building Type:
N/A
Commercial - alterations
18585 E Smoky Hill Rd, Centennial, CO, 80015
2023-10-20
The scope of work includes the remodeling of an existing 9, 137 sf school for a new child day care facility. the child care facility is located on the ground floor and has direct access to grade. scope also includes an existing playground in which the existing equipment will be replaced
Valuation:
$600,000
Permit #:
CEN-23-00042
Status:
complete
Fee:
$15,219
Permit Type:
N/A
Building Type:
N/A
Boiler and air conditioning permit
4895 N Peoria St, Denver, CO, 80239
2025-07-21
Will be replacing two aging peerless 211a cast iron boilers with two new high-efficiency laars neotherm nth500njn2 natural gas boilers. (laars-nth500 ng). each boiler will come equipped with a factory mounted pump
Valuation:
$92,462
Permit #:
2025-BOILERAC-0000595
Status:
issued
Fee:
$721
Permit Type:
N/A
Building Type:
Commercial
Residential remodel
851 Trail Ridge Dr, Louisville, CO, 80027
2023-08-21
Environmental testing of smoke damaged home reccomended removal of contaminated materials back to framing. electrical mechanical and plumbing systems left in place. home is to be restored back to original condition with all new materials and no changes to floor plan. no structural changes to home. majority of changes to pre-fire condition of home will be code required upgrades
Valuation:
$170,000
Permit #:
RES-2811-2022
Status:
certificate of completion
Fee:
$7,703
Permit Type:
N/A
Building Type:
N/A
Commercial alterations
6595 E 70th Ave, Commerce City, CO, 80022
2025-08-25
Existing garage to be converted for office space
Valuation:
N/A
Permit #:
CALT24-00004
Status:
issued
Fee:
$56,518
Permit Type:
Tenant improvement
Building Type:
N/A
Boiler and air conditioning permit
7865 E Mississippi Ave, Apt 1402, Denver, CO, 80247
2025-04-23
New cooling tower to replace existing tower candlewyck condos 7865 e. mississippi avenue replacing like for like (same make and size) cooling tower for west building. we are setting the new tower next to the old tower to minimize down time. same connections power amps etc. tower is located on concrete pad on the ground next to mechanical room
Valuation:
$122,945
Permit #:
2024-BOILERAC-0000836
Status:
final
Fee:
$899
Permit Type:
N/A
Building Type:
Multi-family resi...
Building log
7865 E Mississippi Ave, Apt 1402, Denver, CO, 80247
2025-02-20
New cooling tower to replace existing tower candlewyck condos 7865 e. mississippi avenue replacing like for like (same make and size) cooling tower for west building. we are setting the new tower next to the old tower to minimize down time. same connections power amps etc. tower is located on concrete pad on the ground next to mechanical room
Valuation:
$140,490
Permit #:
2024-LOG-0007805
Status:
approved
Fee:
$500
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
1431 N Ogden St, Denver, CO, 80218
2025-06-09
Expansion of commercial space on first floor for use as a restaurant/bar comprised of approximately 2000 square feet after expansion plus expansion of residential space on second floor for use as two apartments comprised of approximately 2000 square feet after expansion
Valuation:
$112,500
Permit #:
2024-MECH-0003563
Status:
issued
Fee:
$843
Permit Type:
N/A
Building Type:
N/A
Building Permit
2635 S Jebel Way, Aurora, CO, 80013
2024-07-05
Install 80000 btu furnace with air conditioning unit --|state electrical license: 000000 | -- |comments: 3.0 tons air conditioning we are not going to be needing an electrician for the this project
Valuation:
$15,240
Permit #:
1815563
Status:
issued
Fee:
$275
Permit Type:
Mechanical permit
Building Type:
N/A
Building Permit
2373 S Truckee Way, Aurora, CO, 80013
2024-06-05
Install 100000 btu furnace with air conditioning unit --|state electrical license: 102551 | -- |comments: 3.0 tons air conditioning a gfci is being added. | replaced furnace and air conditionig with 96% efficient furnace heat pump and humidifier
Valuation:
$23,000
Permit #:
1808495
Status:
issued
Fee:
$275
Permit Type:
Mechanical permit
Building Type:
N/A
Electrical permit
7865 E Mississippi Ave, Apt 1402, Denver, CO, 80247
2025-04-23
New cooling tower to replace existing tower candlewyck condos 7865 e. mississippi avenue replacing like for like (same make and size) cooling tower for west building. we are setting the new tower next to the old tower to minimize down time. same connections power amps etc. tower is located on concrete pad on the ground next to mechanical room
Valuation:
$1,000
Permit #:
2024-ELEC-0012602
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Boiler and air conditioning permit
4460 N Winona Ct, Denver, CO, 80212
2023-04-24
Major to remove and haul away the old boiler water heater. major to mount a new combi boiler in the space. major will reroute the gas piping and send a new schedule 40 flu pipe through the current flue and cap and seal the chimney and flue. major will adjust the fresh air piping in the space. major will move re-pipe the return supply headers to the zones. major will wire controls conn... see more
Valuation:
$13,182
Permit #:
2023-BOILERAC-0000204
Status:
final
Fee:
$131
Permit Type:
N/A
Building Type:
Single family res...
Residential furnace
15229 Great Rock Rd, Brighton, CO, 80603
2025-02-04
Remove replace like for like two furnaces. disconnect and reconnect. 95% 80 000 btu 1 stage 95% 80 000 btu single stage
Valuation:
$12,018
Permit #:
BDP25-0313
Status:
issued
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
Building permit - plan review required
15229 Great Rock Rd, Brighton, CO, 80603
2025-02-03
Commercial - furnace - remove and replace like for like furnace. 95% 80 000 btu 1 stage. disconnect and reconnect
Valuation:
$12,018
Permit #:
BDP25-0308
Status:
filed
Fee:
$124
Permit Type:
Replace
Building Type:
Commercial
Boiler and air conditioning permit
2999 N Willow St, Denver, CO, 80238
2025-02-28
2999 n willow st-central park & mlk- new mud - 290 units multifamily development: type iii-a construction containing 290 units and amenity spaces wrapping type ii-a parking structure
Valuation:
$1,000,000
Permit #:
2022-BOILERAC-0000229
Status:
final
Fee:
$5,385
Permit Type:
N/A
Building Type:
Multi-family resi...
Commercial one stop - ac/water heater/furnace
7025 S Fulton St, Centennial, CO, 80112
2023-05-26
Major to replace the trane remote terminal unit the southwest corner of the building major will install a carrier remote terminal unit with curb adaptor major will tie into the existing controls electrical and gas. major will perform a start up on the equipment
Valuation:
$22,575
Permit #:
CONE-23-00044
Status:
complete
Fee:
$674
Permit Type:
N/A
Building Type:
N/A
Hvac solar water heater wood burning
2130 Arapahoe Ave, Boulder, CO, 80302
2025-05-07
***voided due to over 180 days of inactivity*** major will install 2 1.5 ton daikin ductless split in the computer room. the condensers will sit on the roof and the heads will hang on the wall. this will be heat pump units only and will have a low ambient kit
Valuation:
N/A
Permit #:
MEC2023-00508
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Boiler and air conditioning permit
3891 S Grape St, Denver, CO, 80237
2025-03-11
Replace like for like boiler. 175 000 btu and also replace like for like water heating 50 gallon 34 000 btu
Valuation:
$12,322
Permit #:
2025-BOILERAC-0000094
Status:
final
Fee:
$123
Permit Type:
N/A
Building Type:
Single family res...

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