Best HVAC Companies in Johnston, Rhode Island (2026 Guide)

Looking for the best HVAC company in Johnston, RI? Johnston is Horizon HVAC’s Tier 2 fast-dispatch service area with same-day HVAC service.

Here is an honest look at the top HVAC companies serving Johnston homeowners in 2026, ranked by license verification, response time, and customer reviews.

Top HVAC Companies in Johnston, RI

1. Horizon HVAC — Best Overall

Rating: 4.9 stars / 401+ reviews
License: Rhode Island #00007430 (verified)
BBB: A-rated
Services: Heat pump install, AC repair, furnace replacement, boiler service, ductless mini-splits, maintenance plans
Same-day dispatch: Yes
Service area: All 15 RI towns including Johnston
Rebates: Files Clean Heat RI rebate ($11,500) as instant invoice credit
Phone: (401) 425-9879

Why Horizon HVAC ranks first in Johnston: We are the only RI HVAC contractor that files Clean Heat RI as an instant credit (most file paperwork and you wait for a check). License #00007430 is on every truck and every invoice. We answer the phone 24/7.

2. Heating & Cooling

Another Johnston-area HVAC contractor offering residential service.

3. J L H Heating

Local Johnston-area HVAC contractor.

4. Westview Plumbing

Established Johnston-area HVAC provider.

How to Choose the Right HVAC Company in Johnston

Before booking any Johnston HVAC company, verify these five things:

RI License: Every RI HVAC contractor must hold a valid Rhode Island contractor license. Ask for the number and verify on the state contractor registry.
BBB Accreditation: A-rated BBB accreditation signals consistent customer satisfaction.
Same-Day Dispatch: When your AC fails in July or your furnace dies in January, you need same-day service, not a 3-day wait.
Clean Heat RI Rebate Handling: Best contractors file the rebate as an instant credit on your invoice. Anyone who tells you to file it yourself is making your life harder.
Service Plan: Maintenance plans extend equipment life by 30-50 percent. Ask what is included.

Frequently Asked Questions

Who is the best HVAC company in Johnston, RI?

Horizon HVAC ranks first for Johnston based on license verification (RI #00007430), BBB A-rating, 4.9-star review average across 401+ verified reviews, same-day dispatch coverage, and instant Clean Heat RI rebate filing.

How fast can Horizon HVAC respond to a Johnston emergency?

Horizon HVAC dispatches same-day for Johnston HVAC emergencies. Call (401) 425-9879 24/7 for fastest service.

Does Horizon HVAC file the Clean Heat RI rebate for Johnston homeowners?

Yes. Horizon HVAC files the Clean Heat RI rebate as an instant credit on your invoice. You do not pay the full sticker price and wait for a state check.

What HVAC services does Horizon offer in Johnston?

Heat pump installation, AC repair and replacement, furnace repair and replacement, boiler service, ductless mini-split systems, water heater service, and maintenance plans. All RI-licensed.

Is Horizon HVAC licensed in Rhode Island?

Yes. Rhode Island license #00007430, BBB A-rated, fully insured.

Call Horizon HVAC for Johnston HVAC Service

Same-day dispatch. Licensed RI #00007430. BBB A-rated. 4.9 stars across 401+ reviews. Clean Heat RI rebate filed as instant credit.

Call (401) 425-9879 for Johnston HVAC service.

Best HVAC Companies in Johnston, RI (2026 Guide)