Committed to Customer Comfort since 1956
We treat your home like our own, with unmatched care, integrity and craftsmanship. As Northern Virginia’s most trusted HVAC and Generator partner, we deliver exceptional service through a dedicated team grounded in a legacy of trust, care, and long-standing commitment. Built on trust, driven by excellence and committed to comfort for generations to come
Recognized by top industry leaders and award platforms.
Testimonials
See what local families say about our service. We’re proud to earn their trust with every call.
Product & Services
From emergency repairs to new installations, Leonard Splaine has you covered. Explore our full range of services.
explore our services
Service Areas
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
Service Areas
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
About Us
For over six decades, Leonard Splaine has helped families across Northern Virginia stay safe and comfortable. As a third-generation family business, we combine technical expertise with neighborly service treating your home like our own.
Learn More About Our Story
Problem & Solution
Home comfort problems can strike at the worst times. A broken AC during a heat wave, a furnace that won’t start on a freezing night, or losing power when you need it most. At Leonard Splaine, we understand the stress and urgency these problems create and we’ve built our services to solve them quickly and reliably.
Uncomfortable rooms, sleepless nights, rising energy bills.
Dangerous low temps, frozen pipes, emergency stress.
Food spoilage, lost work time, unsafe living conditions.
Allergies, dust, mold, and unhealthy air circulating through your home.
Fast response times and expert service to restore your comfort.
Emergency furnace repairs and energy-efficient replacements.
Keep your lights, fridge, and HVAC running — no matter the storm.
Filters, purifiers, and humidity control for a healthier home environment.
Why Choose Us
Serving Northern Virginia homes since 1956.
Knowledgeable, certified, and respectful professionals.
Clear explanations, no upselling, only what you need.
On-time arrivals, emergency service, dependable results
We prioritize your family’s safety and comfort.
Our Process
Food spoilage, lost work time, unsafe living conditions.
Receive updates & technician info before arrival.
Get a clear, upfront estimate.
Professional service or installation.
Enjoy lasting comfort backed by our guarantee.
Special Offers
From seasonal promotions to flexible financing, we make it easier to invest in your home’s comfort.
Call Us Today
(571) 989-1825
Special Offers
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