HVAC service that actually makes sense.
Heating, cooling, heat pumps, mini splits and geothermal service for Long Island homes and businesses. Straight answers, clean work, and no runaround.
One company for the systems that keep your building comfortable.
From a no-cool service call to a full heat-pump replacement, we focus on getting the system diagnosed correctly and giving you a clear path forward.
Heat Pumps
Service, replacements and high-efficiency upgrades for year-round comfort.
Explore heat pumps →Mini Splits
Single-zone and multi-zone ductless service, cleaning, repairs and new installs.
Explore mini splits →Geothermal
Open-loop and closed-loop geothermal diagnostics, repairs and system upgrades.
Explore geothermal →Central Heating & Cooling
Gas furnaces, boilers, central air tune-ups, diagnostics and change-outs.
Explore heating & AC →Comfort Plans
Simple annual maintenance with monthly pricing and priority scheduling.
See the plan →Light Commercial HVAC
RTUs, maintenance, repairs, replacements and small commercial projects.
Explore commercial →Old-school workmanship. Modern HVAC systems.
Branch HVAC Services is built around showing up, diagnosing the problem properly, and explaining the options in plain English.
Built for homeowners who want a real answer — not a sales pitch.
Whether your system is barely cooling, a geothermal unit is throwing a fault, or you're trying to decide if replacement makes sense, we start with the system in front of us and work from the facts.
Stay ahead of breakdowns without overcomplicating it.
A straightforward plan for homeowners who want their equipment checked every year and priority when something goes wrong.
Each additional covered system is $10/month.
- One professional tune-up and safety check per covered system every year.
- Priority scheduling for no-heat and no-cool calls.
- Plan-member discounts on repairs and upgrades.
- Clear report after each maintenance visit.
- No long-term contract.
A simple service process.
No mystery. No bouncing around. Just a clear path from the first call to the completed job.
Call or book
Tell us what's going on and we’ll get the visit on the schedule.
We diagnose
We check the equipment and work toward the actual cause — not just the symptom.
You get options
We explain what we found and the practical repair or replacement choices.
We do it right
Clean work, clear communication, and a system that’s ready to go back to work.
Hear from our customers.
Reviews from customers of Branch HVAC Services.
Quick answers before you call.
Common questions from homeowners and light-commercial customers across Long Island.
What areas do you service?
Branch HVAC Services serves Suffolk and Nassau County on Long Island, with the company based in Lindenhurst, NY.
Do you work on geothermal systems?
Yes. Geothermal diagnostics, repairs, maintenance and upgrades are a major focus, including open-loop and closed-loop systems.
Do you service systems you didn't install?
Yes. We work on existing HVAC equipment as well as systems we install ourselves.
Can I book online?
Yes. Use any Book Online button on the site to open the Housecall Pro scheduling experience.
Do you offer commercial HVAC service?
Yes. We handle light-commercial service, rooftop units, maintenance and selected replacement/installation work.
Need HVAC service?
Call, text, or book online. We’ll get the conversation started.