AC Repair & Install
Cool comfort restored fast, plus efficient new systems.
Licensed & Insured
24/7 Emergency
Williamstown & nearby
Professor Gatsby's Heating, Cooling, Plumbing & Electrical
Comfort you can count on, all year round — serving Williamstown and the surrounding area.
5.0 · 1,786 reviews
•Same-day service available
Licensed & Insured
5.0★ · 1,786 Reviews
Upfront, Honest Pricing
24/7 Emergency Service
Locally Owned
Our work
Recent jobs around Williamstown
What we do
Heating & Cooling services done right, the first time
From quick fixes to big jobs — here's how we help Williamstown homeowners and businesses.
Heating & Furnace
Furnace repair, heat pumps, and reliable winter heat.
Tune-Ups & Maintenance
Seasonal tune-ups that prevent breakdowns and cut bills.
Ducts & Air Quality
Sealed ducts, cleaner air, and balanced airflow.
New System Installs
Right-sized, energy-efficient systems with fair quotes.
Emergency HVAC
No heat or no cool? We're on the way, day or night.
Don't see what you need? Call (856) 315-0007 — we probably do it.
Why Professor Gatsby's Heating, Cooling, Plumbing & Electrical
Local pros who show up, do it right, and stand behind it
On-time & tidy
We show up when we say we will and leave your home cleaner than we found it.
Upfront pricing
Clear quotes before we start. No surprises, no pressure, no games.
Licensed & insured
Fully insured for your peace of mind.
Satisfaction guaranteed
We're not done until it's done right and you're happy.
Reviews
Neighbors who are glad they called
Came out the same day and fixed it in under an hour. Fair price, no upsell. Saved us during a real mess.
Professional, on time, and left the place cleaner than they found it. This is who we call now.
Explained everything up front and stuck to the quote. Honest local company — highly recommend.
Free quote
Get a fast, free quote
Tell us what's going on. We'll get right back to you with honest, upfront pricing — no obligation.
- Fast response, often same day
- Upfront pricing before any work
- No pressure, ever
Prefer to talk? Call us now
(856) 315-0007
Service area
Proudly serving Williamstown
- Williamstown
- & all of Gloucester County
498 Radix Rd, Williamstown, NJ 08094 · Get directions
Hours
When we're available
| Mon – Fri | 7:00 AM – 6:00 PM |
|---|---|
| Saturday | 8:00 AM – 2:00 PM |
| Sunday | Emergency service |
24/7 emergency service — real emergencies don't wait, and neither do we.
Need a hvac pro now?
Don't wait — we're ready to help, day or night.