Serving Washington DC, Maryland & Northern Virginia
Free In-Home Estimates

HVAC Installation in Washington DC & the DMV

CoolHVAC installs high-efficiency heating and cooling systems across Washington DC, Maryland, and Northern Virginia. Free in-home estimates, flexible financing through GreenSky and Ally, and a full installation workmanship guarantee.

Free Estimates

GreenSky & Ally Financing

Installation Guarantee

NATE Certified

All System Types

Systems We Install

Central AC

High-efficiency central air conditioning systems sized and installed for your home’s specific needs.

Gas Furnaces

Energy-efficient gas furnaces from top brands, professionally installed with full commissioning and safety checks.

Heat Pumps

Modern heat pumps that efficiently handle both heating and cooling, ideal for the DC metro climate.

Mini-Split Systems

Ductless mini-split systems for room additions, older homes, or areas without existing ductwork.

Ductless Systems

Multi-zone ductless systems that let you control the temperature in each room independently for maximum comfort.

Dual-Fuel Systems

Dual-fuel systems combine a heat pump and gas furnace backup for ideal efficiency in the DC climate’s variable winters.

Brands We Install

CarrierLennoxTraneRheemGoodmanDaikinYorkBryant

What to Expect

Our Installation Process

1

Free In-Home Estimate

A CoolHVAC technician visits your home to assess your current system, measure your space, and recommend the right replacement.

2

Choose Your System

We walk you through your options, including efficiency ratings, brands, and financing. No pressure — just clear information.

3

Professional Installation

Our NATE-certified team installs your new system with care, using proper techniques and following all local codes.

4

Final Inspection & Walkthrough

We test the system fully and walk you through everything — thermostat settings, filter schedules, and warranty details.

Make It Affordable

Flexible Financing Options

A new HVAC system is a significant investment, and we want to make it accessible. CoolHVAC offers flexible financing options through GreenSky and Ally for qualifying installations.

Call or schedule online to ask about current offers. Our team will walk you through available plans when you receive your free in-home estimate.

Ask About Financing

Common Questions

Frequently Asked Questions

How much does a new HVAC system cost in DC?

A new HVAC system installation in the DC metro area typically ranges from $4,000–$12,000 depending on system type, size, and efficiency rating. CoolHVAC provides free in-home estimates with no obligation.

How long does HVAC installation take?

Most residential HVAC installations are completed in one day. Complex systems or duct modifications may require 1–2 additional days.

Do you offer financing?

Yes. We offer flexible financing options through GreenSky and Ally for qualifying installations. Ask us about current offers when you schedule your free estimate.

What size HVAC system do I need?

The right size depends on your home’s square footage, insulation, windows, and other factors. Our technicians perform a Manual J load calculation to recommend the correct size — oversized and undersized systems both cause problems.

Ready to upgrade your system?

Free in-home estimates. No obligation. Financing available.

Get a Free Estimate