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TRUSTED BY WASHINGTON, VA HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon55
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Washington

Avatar for Marquess HVAC
Marquess HVAC
5.0(
14
)

Serving Washington, VA and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"Please use Marquess HVAC. Great price and phenomenal service. We shopped around and these folks had the best price, availability, and Angi reviews. We are very happy with our choice of Marquess HVAC. We trust them."
Response time6 hrs
Recommended by100%of homeowners
T&J Service LLC, Heating & Cooling
4.8(
19
)

Serving Washington, VA and surrounding areas

Approved

In business since 2012

Free estimates

Offers commercial services

"Diep is truly knowledgeable in his craft. He came to my home and was able to diagnose issues with the installment of new thermostat. He understood the HVAC system in my home, fixed potential long-term issues, and even made a few more requested modifications for little additional costs. He saved me time and the headache of dealing with unqualified phone personalities of the thermostat company that installed my thermostat. Most of all, his price was extremely reasonable. I would highly recommend his company to ANYONE with HVAC issues."
Response time4 days
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Comfort Detectives Heating & Air Conditioning Inc
Comfort Detectives Heating & Air Conditioning Inc
5.0(
5
)

Serving Washington, VA and surrounding areas

Approved

Free estimates

Credit card accepted

When you need air conditioning service that won’t leave you chilled or unduly sweaty, you want a company with extensive experience. You need a company with the ability to handle all your needs, from sales and service to installation. You demand a company that stands behind all its work. For these reasons, and for many others, you should turn to (Company). We have more than( ) years of experience and we’re members of the Better Business Bureau, so you can trust all your air conditioning projects to our capable hands. Naturally, we are licensed and insured, call us today for your next heating or air conditioning issue.

Dual fuel system
Dual fuel system
Dual fuel system
Dual fuel system
Dual fuel system

+2

7 neighbors recently requested a quote
Avatar for Parrish Services, Inc.
Parrish Services, Inc.
3.9(
52
)

Serving Washington, VA and surrounding areas

Approved (Corporate)

In business since 1997

Free estimates

Emergency services offered

"Love that the team offered to FaceTime to help resolve our hvac issue prior to putting in a service call. Alan was able to get one of his techs out same day. Our tech Joe was awesome. While their initial service fee is a bit higher than most they were professional, proficient, knowledgeable and had the necessary parts on hand to resolve our issue while on site."
AC Replacement
AC Replacement
AC Replacement
Generator Installation
Generator Installation

+3

Recommended by89%of homeowners
Avatar for Mohammad Mahboobi
Mohammad Mahboobi
5.0(
14
)

Serving Washington, VA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Response time2 hrs
Response rate92%
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Heating and Air Conditioning questions, answered by experts

While all portable AC units will collect moisture as part of their cooling and dehumidifying process, whether and how often you need to drain them depends on what kind of unit you have and the natural humidity levels where you live. For example, if you live in a very dry area and have a self-evaporating unit, you may not need to drain your portable AC very often at all. Some units may automatically drain collected moisture out the window through their exhaust vent.

To reset your air conditioner, start by turning it off at the thermostat. Then, shut off power to the AC system at the circuit breaker. Some units have a dedicated "reset" button; if yours does, press and hold it for three to five seconds. If your air conditioner doesn't have a reset button, or if you are resetting it after a power outage, leave the circuit breaker off for at least 30 minutes to allow the system to reset itself. Afterward, turn the power back on at the breaker, turn on the AC from the thermostat, and set it to "cool" to test the system.

If your AC runs constantly, it could be due to a number of things, including a faulty thermostat, incorrect temperature settings, or broken equipment. Alternatively, you might have an airflow problem (for example, blocked vents or leaky ductwork). Either way, an HVAC pro can identify the specific problem and fix it for you.

The standard rule for return duct sizing is that the return vent should be the same size or larger than the supply vent. This will ensure balanced airflow in your home and reduce strain on your HVAC system.

Choosing between a ductless mini-split and central AC depends on your specific needs. Ductless mini-splits are ideal for targeted cooling, providing zoned comfort and energy efficiency. They are perfect for smaller spaces or homes lacking ductwork. In contrast, central AC offers consistent cooling throughout the entire house but requires ductwork and may be less energy-efficient for smaller spaces. 

Consider factors like budget, home size, and cooling preferences to make the right choice. Combining both systems, with a ductless mini-split in specific areas, can also be a viable solution for tailored comfort and overall efficiency.

The Washington, VA homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.