4.9 Rating Reviews

4.8 Rating Reviews

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(571) 989-1825
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Heating & Cooling Systems

Northern Virginia Heating & Cooling Experts Since 1956

Fast, reliable HVAC repair & installation to keep your home comfortable year-round.

Call Us Today

(571) 989-1825

Get Started Today

Schedule Now

4.9/5 Google

BBB Accredited

Licensed & Insured

Lennox Premier

HVAC & Generator Experts in Northern Virginia

Request Service Now — It Only Takes 7 Seconds!

Common Issues

Comfort Problems We Fix—Fast

AC out in a heat wave? Furnace acting up? Uneven rooms? We diagnose and fix it on the first visit in most cases.

AC Not Cooling

Same-day diagnostics & repair

Hot/Cold Spots & High Bills

System right-sizing, duct checks, tune-ups

No Heat / Furnace Issues

Emergency repair & safe operation

Dust/Allergies

IAQ filters, UV, humidity control

schedule Same-Day Service

Our Services

Complete Heating & Cooling for Your Home

We service all Major brands. Honest options. No pressure.

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System Guide

Picking the Right System—Made Simple

What is HaVAC?

Heating warms, AC cools, ventilation circulates/freshens air for comfort & health.

Local & Family-Owned

Serving Northern Virginia homes since 1956.

Efficiency, decoded:

Heating warms, AC cools, ventilation circulates/freshens air for comfort & health.

Cooling efficiency seasonal/peak. Higher = lower electric use.

seasonal heating efficiency. Higher = lower electric use.

“Higher-efficiency ≠ always lowest bill—fuel costs matter. We help you pick what actually saves you in NOVA.”

— 01

Heat Pumps—Efficient Heating & Cooling in One

  • Works year-round by moving heat in/out of your home.
  • Great fit for NOVA’s moderate winters; cold-climate models handle lower temps
  • Pros: one system, energy-efficient, dehumidifies in summer.
  • Supplemental heat in extreme cold; correct sizing is crucial.

See If a Heat Pump Fits Your Home
— 02

Ductless Systems—Zoned Comfort, No Ducts Needed

  • Ideal for additions, bonus rooms, older homes, downsizing zones.
  • Pros: up to ~30% energy savings, room-by-room control, quick install (small wall penetrations), strong filtration.
  • Consider: higher upfront vs. window units; monthly filter wash to maintain efficiency.

Design Your Ductless Zones
— 03

Gas & Oil Furnaces—Reliable Winter Heat

  • Modern AFUE: mid-eff (78–83%) to condensing (90–97%) for lower gas use.
  • Gas most common; oil supported.
  • We assess ductwork, venting, and safety, then present options + rebates/financing.

Compare Furnace Options & Savings
— 04

Central Systems Done Right

  • Proper sizing, sealed ducts, and smart controls prevent hot/cold spots & bill creep.
  • Smart thermostats add comfort schedules and energy reports.

Upgrade to a Smart, Efficient System
Multi-split outdoor Mitsubishi units

Maintenance Plans

Prevent Breakdowns—Extend Equipment Life

  • Proper sizing, sealed ducts, and smart controls prevent hot/cold spots & bill creep.
  • Smart thermostats add comfort schedules and energy reports.

Join the Comfort Plan

Flexible Payments

Honest Pricing, Rebates & Flexible Payments

  • Transparent options with good/better/best recommendations.
  • We handle manufacturer promos, utility rebates, and federal credits (e.g., qualified heat pumps).
  • Low-payment financing available with approved credit

See Current Deals & Financing

Testimonials

Trusted by Northern Virginia Homeowners

Since 1956 • Family-Owned • Licensed & Insured

BBB Accredited

Licensed & Insured

Lennox Premier

Our Coverage Area

  • Woodbridge
  • Dale City
  • Lake Ridge
  • Dumfries
  • Manassas
  • Fairfax
  • Springfield
  • Lorton
  • Arlington
  • Stafford
  • Fredericksburg
  • Lorton
  • Burke
  • Centreville
  • Chantilly
  • Loudoun County

Service Areas

Proudly Serving Northern Virginia Homeowners Since 1956

Leonard Splaine has provided heating, cooling, and generator services to families across Northern Virginia for more than 65 years. Whether you’re in the suburbs, the city, or the countryside, our team is ready to keep your home safe and comfortable.

Not sure if we service your area?

Call Us Today

(571) 989-1825

FAQ’s

HVAC FAQs for NOVA Homeowners

Still Have a Questions?

Ask Question

We compare upfront cost, utility rates, comfort needs, and your home’s insulation/ducts to recommend what actually saves you over time.

Heating warms, AC cools, ventilation circulates/freshens air for comfort & health.

Heating warms, AC cools, ventilation circulates/freshens air for comfort & health.

Heating warms, AC cools, ventilation circulates/freshens air for comfort & health.

Heating warms, AC cools, ventilation circulates/freshens air for comfort & health.

Get Started Today

Ready for Reliable Home Comfort?

  • 100% Satisfaction Guarantee
  • No-pressure recommendations
  • Upfront pricing.

Call Us Today

(571) 989-1825

Get Started Today

Schedule Now