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Mannix Heating & Cooling

Heating and Air Conditioning

About us

Mannix Heating and Cooling is a full service HVAC contractor with a location in Chantilly VA and Gaithersburg MD to serve you. We offer an extensive array of services designed to keep your heating and cooling equipment operating at peak efficiency through many years of reliable operation. We also provide water heater replacement, standby home generators and electrical panel replacements. For more information, please email info@mannixhvac.com

Business highlights

15 years of trusted experience
Emergency Services Offered

Services we offer

Heating & air conditioning - repair, replacement & installation, water heaters, humidifiers. Electrical - upgrades, generators. Service agreements

Services we don't offer

Window Units, New Construction HVAC Systems, Oil Furnace Repair

Amenities

Free Estimates
Yes
Warranties
Yes
Senior Discount

5%

Emergency Services
Yes


Accepted payment methods

Check
CreditCard
Financing Available

Photos of past projects

Reviews

4.9736 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
92%
4
4%
3
1%
2
1%
1
1%


Rating CategoryRating out of 5
quality
4.9
value
4.7
professionalism
4.9
responsiveness
4.9
punctuality
4.9
Showing 551-575 of 736 reviews

Darrel R.
08/2017
5.0
heating & air conditioning/hvac
  + -1 more
.
Description of Work: .

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

Sanjib S.
08/2017
5.0
heating & air conditioning/hvac
  + -1 more
.
Description of Work: They were here for routine service.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$100

LISA V.
07/2017
5.0
heating & air conditioning/hvac
  + -1 more
.
Description of Work: I have a seasonal contract with them. It was a spring air conditioning maintenance. They checked out my system, changed the filter and made sure everything is working as it should.
Rating CategoryRating out of 5
Yes, I recommend this pro
$187

Ira D.
06/2017
5.0
heating & air conditioning/hvac
  + -1 more
Fine, as always
Description of Work: Spring A/C tuneup

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$325

Lawrence P.
05/2017
5.0
water heater repair
  + -1 more
.
Description of Work: Mannix has actually done work for us on a couple of occasions. They were last here to replace a water heater.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
4.0
punctuality
5.0

Yes, I recommend this pro
$4,000

Kathy B.
04/2017
5.0
heating & air conditioning/hvac
  + -1 more
.
Description of Work: They replaced the outside unit and the inside unit.

Rating CategoryRating out of 5
quality
5.0
value
4.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

Patrick T.
04/2017
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro

Mark C.
03/2017
5.0
heating & air conditioning/hvac
  + -1 more
It went very well
Description of Work: Replaced HVAC

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

Shelley G.
03/2017
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: .....
Rating CategoryRating out of 5
Yes, I recommend this pro

Jack W.
02/2017
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro

Vivian H.
01/2017
5.0
heating & air conditioning/hvac
  + -1 more
Fine, good advice and thorough.
Description of Work: Routine seasonal checkup

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

David I.
12/2016
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro

Melvin and Karen R.
12/2016
5.0
heating & air conditioning/hvac
  + -1 more
They were excellent.
Description of Work: They fixed our humidifiers.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

Daniel K.
11/2016
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro

Kristen Y.
11/2016
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro

Aster N.
11/2016
3.0
heating & air conditioning/hvac
  + -1 more
The service provided was okay.
Description of Work: They performed seasonal maintenance on my two units.

Rating CategoryRating out of 5
quality
3.0
value
4.0
professionalism
3.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$170

John R B.
10/2016
5.0
heating & air conditioning/hvac
  + -1 more
.
Description of Work: I use Mannix Heating & Cooling for heating and cooling services.

Rating CategoryRating out of 5
quality
5.0
value
4.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

John R B.
10/2016
5.0
heating & air conditioning/hvac
  + -1 more
.
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro

Earl R S.
09/2016
5.0
heating & air conditioning/hvac
  + -1 more
Excellent service (as always).
Description of Work: A/C and Heating unit system check.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

James T.
09/2016
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro

Joseph A.
09/2016
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro

rona E.
08/2016
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro

Ellis M.
07/2016
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: Sold and installed new heat pump unit. Came out promptly on a hot summer Sunday for unscheduled service. Tech refused to accept a tip for the service. Said it's all part of the job.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$14,000

Juergen K.
07/2016
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro

Lawrence P.
07/2016
5.0
heating & air conditioning/hvac
  + -1 more
unknown
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro

Contact information

26955 Gum Spring Rd, Chantilly, VA 20152

http://www.mannixhvac.com

Service hours

Sunday:
Closed
Monday:
8:00 AM - 6:00 PM
Tuesday:
8:00 AM - 6:00 PM
Wednesday:
8:00 AM - 6:00 PM
Thursday:
8:00 AM - 6:00 PM
Friday:
8:00 AM - 6:00 PM
Saturday:
9:00 AM - 1:00 PM

Licensing

Bonded

Insured

Licensed*

Trade License Number
2705135017
Trade License Locale
VA
Trade License Authority
Virginia Department of Professional and Occupational Regulation
Trade License Expiration
05/31/2024

Eco-friendly Accreditations

LEED Accredited Professional
No
Energy Star Partner
No
EPA Lead-Safe Certified
No
Use Green Products or Work Practices
Yes
State Contractor License Requirements

All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our State Contractor License Requirements page.

*Contact business to see additional licenses.


Service Categories

Heating and Air Conditioning

FAQ

Mannix Heating & Cooling is currently rated 4.9 overall out of 5.

Sunday: Closed

Monday: 8:00 AM - 6:00 PM

Tuesday: 8:00 AM - 6:00 PM

Wednesday: 8:00 AM - 6:00 PM

Thursday: 8:00 AM - 6:00 PM

Friday: 8:00 AM - 6:00 PM

Saturday: 9:00 AM - 1:00 PM

Mannix Heating & Cooling accepts the following forms of payment: Check,CreditCard,Financing Available
Yes, Mannix Heating & Cooling offers free project estimates.
Yes, Mannix Heating & Cooling offers eco-friendly accreditations.
No, Mannix Heating & Cooling does not offer a senior discount.
Yes, Mannix Heating & Cooling offers emergency services.
Yes, Mannix Heating & Cooling offers warranties.
Mannix Heating & Cooling offers the following services: Heating & air conditioning - repair, replacement & installation, water heaters, humidifiers. Electrical - upgrades, generators. Service agreements
Window Units, New Construction HVAC Systems, Oil Furnace Repair

Contact information

26955 Gum Spring Rd, Chantilly, VA 20152

http://www.mannixhvac.com

Service hours

Sunday:
Closed
Monday:
8:00 AM - 6:00 PM
Tuesday:
8:00 AM - 6:00 PM
Wednesday:
8:00 AM - 6:00 PM
Thursday:
8:00 AM - 6:00 PM
Friday:
8:00 AM - 6:00 PM
Saturday:
9:00 AM - 1:00 PM