10 Best HVAC contractor in Pittsburgh for SameDay Service

Miller Plumbing Heating Cooling Electric is a full-service Pittsburgh contractor at 3131 Library Road covering plumbing, heating, cooling, and electrical work seven days a week. Its sewer and drain division offers camera inspections, drain cleaning and hydrojetting, odor tracing, leak detection, trenchless sewer line replacement, new line installation, line rerouting, and re-piping. On the heating side it repairs furnaces, installs Bosch inverter heat pumps and Navien combi boilers, and services mini-split ductless units and whole-home air purifiers. Electricians on staff handle breaker panel upgrades, and DOT-certified technicians install and repair gas and water lines. Reviewers name Eric, Allen, Erick, and Josh. One customer describes a full HVAC system replacement plus plumbing repairs planned with several clearly explained options and a crew that worked until every detail was right; another credits the team with fixing prior out-of-code work discovered during the visit. A Mount Washington homeowner praises a Navien combi boiler install that replaced an unsafe chimney-vented setup, freed up storage space, and lowered bills. Long-term relationships run deep — one reviewer says the company has been its plumber for over 30 years. Same-day estimates and emergency availability make it a fit for homeowners wanting one contractor for interconnected plumbing, HVAC, and electrical projects.

AJ Buerkle Plumbing Heating & Air Conditioning is a full-service plumbing, heating, and air conditioning company based at 41 McMurray Rd in Pittsburgh, serving the city and the South Hills area. It handles residential and light commercial work across all three trades, with offerings that include drain cleaning, dye tests, water line services, sewer services, bathroom and kitchen remodeling, and air conditioning repair, replacement, and installation. The company's listed brands include American Standard, Bradford White, Delta, Moen, Trane, and Weil-McLain, reflecting equipment work spanning fixtures, water heaters, boilers, and HVAC systems. Jobs described in reviews range from Saturday-evening drain clearing to toilet tank replacement, whole-house humidifier installation, and attic fan repairs, making it a fit for homeowners with aging houses who need one contractor across plumbing and mechanical systems. Customer feedback is mixed: several reviewers describe fast responses, honest explanations of options, and loyalty built over decades, while at least one disputes charges for parts and labor minimums. The record suggests capable technicians who communicate well but pricing that some customers find steep, so it suits homeowners prioritizing established relationships and thorough service.

Staab & Sons, Inc. is a heating and cooling company based at 1921 Saw Mill Run Blvd in Pittsburgh, serving southwest Pennsylvania communities including West Mifflin, Bethel Park, Carnegie, and South Park. The company describes itself as family-run and traces its history to 1929. It operates as a Bryant Factory Authorized Dealer with NATE-certified technicians and offers 24-hour emergency service. The business is HVAC-first, with heating and air conditioning installation, maintenance, and repair as its core. Service offerings cover furnaces, air conditioners, heat pumps, and hot water and steam boilers, plus radiant floor heat, custom sheet metal fabrication, air purification, and humidification systems for residential and commercial customers. It also offers service and maintenance contracts, load calculations for proper system sizing, and ductwork evaluation, making it suitable for homeowners and builders who want design-to-install coverage and ongoing upkeep of mechanical systems. Reviewers praise prompt responses, friendly technicians, and professional service, and the company cites a 2011 Better Business Bureau Torch Award for ethics. A minority report high prices, misdiagnosis, or poor follow-up, so the record is mostly positive with cost as the recurring friction point. It suits customers seeking a long-established full-service HVAC contractor with emergency coverage.

CALFO Home Services is a multi-trade home services company based at 91 Terence Dr in Pittsburgh's 15236 ZIP, covering the South Hills and surrounding areas. Its trades span plumbing, heating, air conditioning, electrical, and home inspection, so one dispatcher covers leak repairs, furnace and AC work, duct cleaning, gas pipe installation, and electrical jobs alike. The company runs around the clock and offers online appointment booking with next-day availability. Review themes name technicians across the trades. Alex Brackman and Benito Contouris fixed a backed-up sewer, arriving early and making sure the problem would not recur. Justin reconnected a sink drain quickly; Jonathan M handled urgent electrical work with honest, knowledgeable service; DeShaun installed gas pipes to a kitchen stove; and Ryan V impressed with HVAC diagnostics that flagged issues other companies had missed. Dom and Jonathan are noted for thorough air conditioning checkups. For South Hills homeowners who would rather keep one company's number for plumbing, heating, cooling, and electrical needs, this is a fit for consolidated home care. The multi-trade bench suits urgent situations where a problem crosses trades, such as a sewer backup tied to electrical work or an HVAC failure tied to ducting, and next-day availability helps when a repair cannot wait.

Knight & Day Plumbing Pittsburgh is a plumbing and HVAC contractor based in East Liberty on Collins Street, covering residential and commercial work from street to faucet. Listed services include plumbing pipe repair and installation, drain repair, water heater installation and repair, gas line installation, sump pump installation, garbage disposal service, sink and faucet installation and repair, toilet installation and repair, plus bathroom and kitchen remodeling, and full HVAC system installation and maintenance. Emergency plumbing is positioned around the clock, including holidays. The review record names Richard, the owner, for hands-on diagnosis — one reviewer describes him tracing a ceiling water leak to its source and fixing it thoroughly — alongside Kaitlyn, who handles scheduling and communication, and Jay and Todd, who stayed late to finish a project on time. Reviewers repeatedly describe fair pricing, courteous tradespeople, prompt responses even when the team is booked up, and work areas left clean. This is a fit for Pittsburgh homeowners and businesses wanting one company for both plumbing and heating/cooling work, from emergency leaks and water heater replacements to HVAC installs. The review pattern suits customers who value a diagnostic approach and clear communication about scheduling.

South Side Plumbing & Heating is a plumbing and HVAC company at South 20th Street in Pittsburgh's South Side Flats, handling boilers, furnaces, water heaters, air conditioning, sewer and drain work, and general plumbing. The company installs and services heating and cooling systems for homes, and its plumbing side covers water heater replacement including tankless units, faucets, garbage disposals, and gas valve work. The office keeps weekday business hours, while emergency calls show up in the record at all hours — including a Christmas Eve blower-motor replacement that had a family's heat restored the same morning. The feedback record runs on repeat business: customers describe years of service calls, technicians who explain each repair before doing it, and cleanup after the job. Ryan, Brian, Jake, Rich, and John are named across feedback for heating repairs, boiler and furnace installs, and water heater replacements. Pricing comes up often as fair and clearly explained, with customers noting they were shown options before choosing a repair, and the office staff is described as helpful with scheduling. This is a fit for Pittsburgh homeowners who want one company covering both plumbing and HVAC, especially owners of older homes with boilers that need regular attention. Landlords with rental units in the South Side could use the firm for both emergency heat calls and scheduled water heater work under one relationship, while buyers of homes with aging heating systems get a shop that diagnoses first and quotes clearly.

Stahl Plumbing, Heating & Air Inc is a dual-trade contractor at 1924 McCague St in Pittsburgh, covering both plumbing and heating/air conditioning work around the clock. Its plumbing offerings include emergency plumbing service, sewer and drain cleaning, water heater work, and fixture repairs such as shower assemblies and kitchen faucets. On the HVAC side, the company handles furnace checks and repairs, air conditioning repair and maintenance, and preventive maintenance plans. Its published hours run 24 hours a day, seven days a week. Review themes name technicians including Michael, Demetrius, and Jaime Fisher. Customers describe next-day visits for kitchen faucet replacements with a courtesy call ahead of arrival, fast repairs of broken pipes during plumbing emergencies, and furnace tune-ups explained as safety necessities. One review recounts a garbage disposal fixed quickly with no issues, another an outside spigot replacement that left the customer satisfied across repeat visits. The company describes itself as providing 24/7 emergency plumbing, heating, and air conditioning to the Pittsburgh area. This is a fit for Pittsburgh homeowners who want one company covering both trades — a burst pipe in winter and a furnace that will not start can be handled by a single call. Households on tight weekday schedules benefit from round-the-clock availability and arrival-time courtesy calls. First-time customers needing a routine furnace check or a quick fixture repair get a crew that reviewers describe as efficient and easy to work with.

Fagnelli Plumbing Heating & Cooling is a multi-trade contractor based in South Oakland at 2852 Boulevard of the Allies in Pittsburgh, covering plumbing, heating, and cooling for residential customers. Its service list includes drain cleaning, water heater services, gas line service, dye testing, ductless split systems, and carbon monoxide testing, with furnace repair and air conditioning repair as core HVAC offerings. The company promises same-day service for its calls and keeps its schedule open 24 hours a day, seven days a week. Review themes name technicians Massimo, Masi, Bento, and Andrew, described as punctual, thorough, and clear about what they were going to do before doing it. Customers describe a no-heat Friday-afternoon call diagnosed within an hour, an air conditioner restored to cold air the next day, and boiler pump issues fixed by flushing rust and corrosion from the system. One long-term customer relied on the company for furnace maintenance, toilet and shower repairs, and leaks in a century-old house. Reviews also note all-brand HVAC equipment service and factory-trained technicians. This is a fit for South Oakland and east-Pittsburgh homeowners with older houses who need one company that can handle both a century-old boiler and a modern air conditioner. Households facing a no-heat or no-cool situation during extreme weather get same-day response from a crew reviewers describe as communicative. Customers with complex plumbing problems in hard-to-service spaces benefit from technicians trained on the latest diagnostic technology.

B.E.T. Plumbing LLC is a plumbing and HVAC contractor based in Ingram, Pennsylvania, at 121 Ingram Ave, serving residential and commercial clients across the Pittsburgh area. Its plumbing work covers drain cleaning, water heater installation and repair, toilet repairs, sink installation, hose bib replacement, and sewer line repairs, while its HVAC side handles installations and repairs for heating and cooling systems. Weekday hours run 7 AM to 5 PM, with round-the-clock coverage on Saturdays and Sundays. Review themes center on Brandon, who customers describe responding immediately to requests — including a basement water backup that his team resolved quickly while explaining each step. Reviewers mention water heater replacements quoted well below competitor prices, toilet leaks fixed the same day, garbage disposal emergencies handled fast, and drain cleaning scheduled on short notice. Remote landlords praise the company's communication and upfront pricing, and multiple customers describe becoming repeat clients after a single urgent job. This is a fit for Pittsburgh-area homeowners who want an owner-led shop where Brandon answers, shows up, and explains the work in plain terms. Property owners managing rentals from a distance benefit from the company's documented record of keeping landlords informed throughout the job. Households hit with a weekend plumbing emergency get 24-hour coverage on Saturdays and Sundays rather than an answering machine.

Matt Mertz Plumbing, Inc. is a plumbing contractor in Pittsburgh at 4693 Peoples Rd that also works in the HVAC trade, with heating and air conditioning services on its service list. Its plumbing work covers burst pipes, backflow testing, water heaters, fixtures, drain repairs, buried sewer lines, snaking, camera inspections, jet cleaning, French drain installation, and downspout replacement. The company owns its own excavation equipment — dump trucks, trench shoring, and compaction gear — and performs trenchless sewer line replacements with minimal digging. Review themes center on Matt personally: customers describe him arriving within the hour for a backed-up sewer on a Monday evening, deploying a sewer camera to locate a break in the front lawn, and coming out on Christmas Eve morning before guests arrived. Other reviews describe whole-house plumbing work, water heater installations, and trenchless replacement of long sewer runs without damaging the yard. The company offers 24-hour emergency service and plumbing inspections for homebuyers across the Pittsburgh metro area, including the North Hills, Mt. Lebanon, Cranberry Township, and Wexford. This is a fit for North Pittsburgh homeowners facing sewer line failures who want camera-based diagnosis and trenchless options that spare their yard. Buyers preparing for a home purchase can use the company's inspection and repair service before closing. Households with recurring drain trouble get a contractor that keeps excavation in-house rather than subcontracting it out.