The home services team Buffalo trusts.
Heating, cooling, plumbing, and electrical service from the largest residential home-services company in Western New York. 5,742 five-star reviews. Real 24/7 dispatch. The same family for three generations.
Four trades. One number to call.
Most home-services companies do one trade well. We staff licensed technicians across heating, cooling, plumbing, and electrical — so the same number that fixes your furnace at midnight can rewire your panel next month.
Heating & Furnaces
Furnace repair, replacement, and tune-ups built to survive a real Buffalo winter. High-efficiency systems from Carrier, Lennox, and Bryant.
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Cooling & Air Conditioning
Central AC installation, ductless mini-splits, and same-day repair. Quiet, efficient cooling sized correctly the first time.
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Plumbing & Water Heaters
Tankless conversions, tank replacements, water-line repairs, sump pumps, drain cleaning. Licensed, insured plumbers on every call.
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Electrical Service
Panel upgrades, EV chargers, generator install, troubleshooting and code-compliant rewiring. Master-electrician oversight on every job.
Learn moreBuffalo built. Buffalo committed.
Six things you can expect every time we pull up to your driveway. They are not slogans — they are the actual policies we run the company on.
Licensed & Insured
Every technician carries current NY State licensing. Full general-liability and workers'-comp coverage on every truck.
True 24/7 Response
When your heat fails at 2am in February, you reach a Buffalo-based dispatcher, not an out-of-state call center.
Five-Year Workmanship Warranty
Every installation we touch carries an industry-leading five-year labor warranty alongside the manufacturer's parts coverage.
Up-Front, Flat-Rate Pricing
You see the price before we start. No hourly meter, no surprise invoices, no pressure sales.
Whole-Home Comfort Plans
Annual heating + cooling + plumbing tune-ups bundled in our Comfort Club. Priority service when it matters.
Locally Owned Since 1937
Three generations of Western New York craftsmen. The same family that started this in 1937 still runs the place today.
Three generations of Western New York craftsmen.
Joseph Zenner and William Ritter opened a one-truck heating shop on Bailey Avenue in 1937. Today their grandchildren run a 100-person team out of the same address — still Buffalo-owned, still answering the phone themselves.
- NATE-certified HVAC technicians on every installation
- Master plumber and master electrician on staff
- Carrier Factory Authorized Dealer — top 5% in the U.S.
- A+ rated by the Better Business Bureau since 1977
- Buffalo Business First "Best Home Services" 8 years running
What Buffalo says about us.
A representative sample, in their own words. Read the full set on our Google profile.
"I called Zenner & Ritter at 11pm on a Sunday — windchill -8F, furnace dead. A real human answered. A technician was in my basement by 12:30am with a replacement igniter and we were warm again by 1am. That is what 'emergency service' is supposed to mean."
"Estimate the morning, installation the next day, and the install crew was meticulous. Drop cloths on every floor, vacuumed the basement on the way out, walked me through the new thermostat. The price was exactly what they quoted."
"Three quotes for a panel upgrade. Z&R was middle of the pack on price and the only one who actually inspected my old panel before quoting. Two other companies tried to upsell me on things I didn't need. The work passed inspection on the first try."
If you can see Lake Erie from your roof, we cover you.
Greater Buffalo, the Northtowns, the Southtowns, the Boulevard, Grand Island and points in between. Same-day dispatch for emergencies anywhere in our coverage zone — including the suburbs your last company called "out of range."
See full coverage mapHeat out? Pipe leaking? Breaker tripping?
Call (716) 714-0131