Do you need AC service or installation?

⭐ 4.9 Rating · 312 Verified Reviews

Professional AC Installation in Northern Virginia & Washington DC

Stay cool all summer with a new, energy-efficient air conditioning system installed by Kelvin's certified HVAC technicians.

✅ Licensed & Insured✅ Same-Day Quotes✅ 10-Year Warranty Available

🌡️ Get Your Free AC Installation Quote

Ready to stay cool? Reach out now for a free, no-obligation quote from our licensed HVAC technicians.

📋 Get a Quote → Chat on WhatsApp

🔒 Licensed & Insured · Same-Day Response

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1,500+ Jobs
Completed in NoVA & DC
4.9 / 5.0
Average Customer Rating
100% Satisfaction
Guaranteed Every Time
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24/7 Emergency
Available When You Need Us

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Licensed & EPA-Certified Technicians

Every Kelvin installer holds active VA state HVAC licenses and EPA 608 certification.

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Manual J Load Calculation (Free)

We never guess your system size. Our technicians perform a proper Manual J calculation.

Energy-Efficient Systems Only

We install ENERGY STAR-rated systems with SEER2 ratings of 15+.

1

Free In-Home Assessment

A Kelvin technician visits, inspects your home, existing ductwork, and calculates the exact AC size you need.

2

System Recommendation & Quote

We present 2–3 system options with transparent pricing.

3

Permit Filing

We handle all required mechanical permits with your local jurisdiction.

4

Professional Installation

Our certified crew installs your new AC system — usually in a single day.

5

Testing & Walkthrough

We fully test the system and walk you through thermostat operation.

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Central Air Conditioning

Best for homes with existing ductwork

  • Cools entire home through existing ducts
  • SEER2 ratings from 15 to 22+
  • Works with gas or heat pump systems
💰 Typical Cost: $4,500 – $8,500 installed
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Ductless Mini-Split AC

Perfect for homes without ducts

  • No ductwork needed
  • Individual zone control
  • Ultra-quiet operation
💰 Typical Cost: $3,500 – $6,500 per zone
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Heat Pump Systems

Cooling and heating in one unit

  • Replaces both AC and furnace
  • SEER2 ratings up to 24
  • Qualifies for federal tax credits
💰 Typical Cost: $5,000 – $9,500 installed

AC Brands We Install

Carrier
Trane
Lennox
Rheem
Goodman
Daikin
Mitsubishi
LG
★★★★★

"Kelvin installed a new Carrier central AC in our Alexandria home last spring. Absolutely recommend."

SB
Sarah B.
Alexandria, VA · Verified Google Review
⭐ 5/5
★★★★★

"We had a Mitsubishi mini-split installed in our sunroom addition in Arlington. Incredibly professional crew."

MK
Michael K.
Arlington County, VA · Verified Google Review
⭐ 5/5

Most standard central AC installations take between 4 to 8 hours. Ductless mini-split installations typically take 3 to 5 hours.

Our licensed technicians perform a Manual J load calculation to determine the exact tonnage your home needs.

Costs typically range from $3,500 to $8,500 depending on system type, brand, and home size.

Ready for a Cooler, More Comfortable Home?

Get your free AC installation quote today. Licensed technicians, transparent pricing, and same-week installation available.

🔒 Licensed · Insured · Permitted · 100% Satisfaction Guaranteed