O'Donnell Heating & Air Conditioning Inc - Buffalo
Buffalo, NY HVAC · #4 of 4 · 65+ yrs
O'Donnell Heating & Air Conditioning Inc - Buffalo as a HVAC provider
Buffalo, NY HVAC · #4 of 4 · 65+ yrs
O'Donnell leads with large-scale AC repair volume and rapid service in Buffalo. O'Donnell lists Lennox Premier Dealer status on its site. O'Donnell traces operations to 65+ years serving the Buffalo metro. The website notes 24/7 emergency response and same-day service options. Reviews mention prompt arrivals and clean job sites.
Full-service HVAC company in Buffalo, focusing on AC repair and system installations. Lennox Premier Dealer status is listed on the company website. Years in business: 65+ years serving Western New York homes. The site states 24/7 emergency response and free estimates are available.
| Signal | O'Donnell Heating & Air Condi… | Buffalo avg | Delta |
|---|---|---|---|
| Vouched Score | 79/100 | 83/100 | -4 vs avg |
| Google rating | 4.7★ | 4.8★ | -0.1 vs avg |
| Review volume | 435+ | 1,605+ | -1170 vs avg |
| Years in business | 65+ | 68+ | -3 vs avg |
- High Google rating (4.7★ across 435+ reviews)
- Long-established (65+ years in business)
- Authorized Lennox Premier Dealer
- Emergency response: 24/7
- 2-Year labor warranty
- Financing available
- Free estimates
- Specializes in AC repair
- You need AC system replacement
- You need mini-split installation
- You value a long-tenured local operator (65+ years in business)
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
O'Donnell Heating & Air Conditioning Inc - Buffalo (this company) |
79/100 | 4.7★ (435+) | 65+ | — | — | — |
| 83/100 | 4.9★ (465+) | 150+ | — | — | — | |
| 85/100 | 4.9★ (4,365+) | 25+ | — | — | Highest Vouched Score | |
| 85/100 | 4.9★ (1,155+) | 31+ | — | — | Best for Indoor Air Quality |
Company-wide signals
True across every category below.
AC repair and diagnostics emphasized alongside same-day emergency response. Lennox Premier Dealer status is listed for factory-trained access. O'Donnell Heating & Air Conditioning traces roots back 65+ years. Local reviews note prompt response and tidy job sites. The site notes financing and free estimates for qualifying customers.
Choose them for AC Repair if
- You need AC tune-up & maintenance
Central AC replacements are a core focus, per service pages and install specials. The company advertises Lennox Premier Dealer authorization. O'Donnell traces local roots to 1961, reporting 65+ years in Western New York. Website notes prompt emergency response and reviewer comments praise fast callbacks and tidy crews.
Choose them for AC Replacement if
- You need same-day AC replacement
O'Donnell Heating & Air Conditioning lists Lennox Premier Dealer status on its website. Founded 1961, O'Donnell shows 65+ years in business. Buffalo's cold winters make properly sized heat pumps essential for year-round efficiency. Review excerpts note punctual installations and technicians who clean up after jobs.
Furnace repair and diagnostics is a core service O'Donnell lists with concrete diagnostic emphasis. O'Donnell is a Lennox Premier Dealer, per their site. The company reports a two-year repair guarantee on many services. They advertise 24/7 emergency and same-day service for winter no-heat calls. Review snippets note polite technicians and tidy cleanup after jobs.
Choose them for Furnace Repair if
- You need no-heat / emergency furnace repair
- You need furnace tune-up & maintenance
O'Donnell Heating lists Lennox Premier Dealer status on its website. O'Donnell Heating reports free estimates and financing for qualifying changeouts. In Buffalo winters, O'Donnell notes proper condensing venting and high-efficiency installations matter. O'Donnell Heating notes 65+ years in business and a two-year repair guarantee.
Choose them for Furnace Replacement if
- You need same-day furnace replacement
O'Donnell states same-day emergency response and 24/7 dispatch availability. Lennox Premier Dealer status appears on their website. 65+ years serving Buffalo-area homes since 1961. Website advertises a two-year repair guarantee and financing options. Buffalo's humid summers increase AC demand, making fast dispatch important.
Choose them for Emergency AC Repair if
- You need same-day AC repair
Ventilation work lists ERV/HRV installations alongside whole-house humidifiers. Lennox Premier Dealer status appears on their website. O'Donnell dates to 65+ years serving the Buffalo metro. Reviewers note punctual crews and tidy job sites.
O'Donnell Heating lists ductless mini-split installation among its specialties. Lennox Premier Dealer status appears on the company website. 65+ years serving Buffalo households since 1961. The site reports same-day service and 24/7 emergency response for winter breakdowns.
What customers say
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Duct Work — Ductwork inspection, sealing, and replacement — addresses leakage, undersized runs, and uneven room temperatures.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
Published pricing
Promotions
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$300 off any new installation
As published: $300 off any new installation"…ll details. $300 Off Installation Special Receive $300 off any new installation. Cannot be combined with other offers. Call for f…"
Estimates
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Free estimates
As published: Free estimates"…24/7 Emergency Service Call Today For A Free Estimate Home Heating Heating Repair Heating Service Heati…"
Guarantees & credentials
- Licensed and insured
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
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Does O'Donnell Heating & Air Conditioning Inc - Buffalo do AC Repair in Buffalo, NY?
Does O'Donnell Heating & Air Conditioning Inc - Buffalo do AC Replacement in Buffalo, NY?
Does O'Donnell Heating & Air Conditioning Inc - Buffalo do HVAC Installation in Buffalo, NY?
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Profile last updated July 25, 2026.