# Wahl Family Heating, Cooling & Plumbing > Pittsburgh and Allegheny County home services since 1980: heating, cooling, plumbing, water treatment, sewer and excavation, and bathroom remodeling. Family owned and operated, BBB A+ rated, 1,500+ verified reviews. Rheem Pro Partner, Mitsubishi Diamond Elite, and the area's exclusive Bosch cold-climate heat pump dealer. The buying guides and blog posts below are written and reviewed by David Wahl, CEO and master plumber. Phone 1-855-438-9245 (1-855-GET-WAHL). ## Services - [Heating](https://wahlheatingandcooling.com/heating/): furnaces, boilers, and cold-climate heat pumps for Pittsburgh winters - [Air Conditioning](https://wahlheatingandcooling.com/air-conditioning/): central AC installation, repair, and commissioning - [Mini Splits](https://wahlheatingandcooling.com/mini-splits/): Mitsubishi and Friedrich ductless heating and cooling - [Indoor Air Quality](https://wahlheatingandcooling.com/indoor-air-quality/): REME HALO, iWave, Aprilaire, humidifiers and whole-home dehumidifiers - [Plumbing](https://wahlheatingandcooling.com/plumbing/): repairs, fixtures, repipes, and gas lines from a master plumber - [Water Heating](https://wahlheatingandcooling.com/water-heating/): tank, tankless, and heat-pump water heaters - [Water Treatment](https://wahlheatingandcooling.com/water-treatment/): softeners, conditioners, whole-home filtration, reverse osmosis - [Sewer and Excavation](https://wahlheatingandcooling.com/sewers/sewer-excavation/): camera inspection, pipe bursting, trenchless and open-cut repair - [Bathroom Remodeling](https://wahlheatingandcooling.com/bathroom-remodeling/): full remodels from a licensed mechanical contractor ## Homeowner buying guides (the Wahl Library) - [How to Pick a Furnace in Pittsburgh](https://wahlheatingandcooling.com/library/how-to-pick-a-furnace/) - [How to Pick a Boiler in Pittsburgh](https://wahlheatingandcooling.com/library/how-to-pick-a-boiler/) - [How to Pick a Heat Pump in Pittsburgh (cold-climate)](https://wahlheatingandcooling.com/library/how-to-pick-a-heat-pump/) - [How to Pick a Mini-Split in Pittsburgh](https://wahlheatingandcooling.com/library/how-to-pick-a-mini-split/) - [How to Pick an AC in Pittsburgh](https://wahlheatingandcooling.com/library/how-to-pick-an-ac/) - [Heat Pump vs Furnace in Pittsburgh](https://wahlheatingandcooling.com/library/heat-pump-vs-furnace/) - [Mini-Split vs Central AC in Pittsburgh](https://wahlheatingandcooling.com/library/mini-split-vs-central-ac/) - [Tank vs Tankless Water Heater in Pittsburgh](https://wahlheatingandcooling.com/library/tank-vs-tankless-water-heater/) - [Cold Weather HVAC in Pittsburgh](https://wahlheatingandcooling.com/library/cold-weather-hvac/) - [Older Home Plumbing in Pittsburgh](https://wahlheatingandcooling.com/library/older-home-plumbing/) - [HVAC and Plumbing Glossary for Pittsburgh Homeowners](https://wahlheatingandcooling.com/library/glossary/) - [Wahl Library index](https://wahlheatingandcooling.com/library/) ## Blog: expert answers from a Pittsburgh master plumber - [Blog index](https://wahlheatingandcooling.com/blog/) - [Your water heater, carbon monoxide, and the one alarm difference that matters](https://wahlheatingandcooling.com/water-heater-carbon-monoxide-pittsburgh/) - [The most common furnace mistakes I see in Pittsburgh basements](https://wahlheatingandcooling.com/common-furnace-mistakes-pittsburgh/) - [Why bigger is not better: the oversized furnace problem](https://wahlheatingandcooling.com/oversized-furnace-problem/) - [80% vs 96% furnace: when I actually tell you to save your money](https://wahlheatingandcooling.com/80-vs-96-furnace-pittsburgh/) - [The attic furnace nobody could get out (so we cut the joists and reframed)](https://wahlheatingandcooling.com/attic-furnace-replacement-story/) - [What most contractors get wrong about Pittsburgh boilers and radiators](https://wahlheatingandcooling.com/pittsburgh-boiler-radiator-mistakes/) - [Steam vs hot water boilers: why the sizing is the opposite](https://wahlheatingandcooling.com/steam-vs-hot-water-boiler-sizing/) - [Outdoor reset: the free 15% boiler upgrade most installers skip](https://wahlheatingandcooling.com/boiler-outdoor-reset/) - [Should you rip out radiators for forced air? Usually not.](https://wahlheatingandcooling.com/convert-radiators-to-forced-air/) - [Can a heat pump really heat a Pittsburgh house in January?](https://wahlheatingandcooling.com/heat-pump-pittsburgh-winter/) - [Why we made Bosch our exclusive cold-climate heat pump](https://wahlheatingandcooling.com/why-bosch-cold-climate-heat-pump/) - [The heat pump backup-heat mistake we catch on other companies' installs](https://wahlheatingandcooling.com/heat-pump-backup-heat-mistake/) - [What actually makes an AC fail early in Pittsburgh](https://wahlheatingandcooling.com/why-ac-fails-early-pittsburgh/) - [AC commissioning: what we measure that nobody else does](https://wahlheatingandcooling.com/ac-commissioning-pittsburgh/) - [When a mini-split is the right call (and when it is forced where it does not belong)](https://wahlheatingandcooling.com/when-mini-split-right-call/) - [Mitsubishi vs Friedrich mini-splits: my honest take](https://wahlheatingandcooling.com/mitsubishi-vs-friedrich/) - [Tank vs tankless in Pittsburgh: who actually benefits](https://wahlheatingandcooling.com/tank-vs-tankless-who-benefits/) - [Heat pump water heaters: worth it in Pittsburgh yet?](https://wahlheatingandcooling.com/heat-pump-water-heater-worth-it/) - [What is actually in Pittsburgh water (and what is hype)](https://wahlheatingandcooling.com/whats-in-pittsburgh-water/) - [Softener vs conditioner vs filtration: my honest take](https://wahlheatingandcooling.com/softener-vs-conditioner-vs-filtration/) - [Why a drain tech runs your call before the camera specialist](https://wahlheatingandcooling.com/drain-tech-camera-model/) - [The sewer camera finding that scares homeowners (and why you should always get the video)](https://wahlheatingandcooling.com/sewer-camera-findings/) - [Trenchless vs open-cut sewer, pipe bursting, and when trenchless is oversold](https://wahlheatingandcooling.com/trenchless-vs-open-cut-sewer/) - [REME HALO, iWave, and UV lights: what actually works and what is a gimmick](https://wahlheatingandcooling.com/reme-halo-iwave-uv-what-works/) - [The Pittsburgh air quality problem nobody talks about: summer humidity](https://wahlheatingandcooling.com/pittsburgh-summer-humidity/) - [Why your Pittsburgh house feels cold and dry in winter (and the fix)](https://wahlheatingandcooling.com/winter-dry-air-pittsburgh/) - [Why a mechanical company does bathroom remodeling (and what we do differently)](https://wahlheatingandcooling.com/why-wahl-does-bathroom-remodeling/) - [Old Pittsburgh homes: the headaches we spot before we walk in](https://wahlheatingandcooling.com/pittsburgh-old-home-challenges/) - [Lead service lines in Pittsburgh: the real situation, and what to do](https://wahlheatingandcooling.com/pittsburgh-lead-service-lines/) - [Four Pittsburgh houses, four eras, four problems we expect](https://wahlheatingandcooling.com/pittsburgh-homes-by-era/) - [The Pittsburgh permit and inspection truth nobody tells you](https://wahlheatingandcooling.com/pittsburgh-permits-inspections-truth/) - [Does wind off the rivers change your heating load? How we really calculate it](https://wahlheatingandcooling.com/pittsburgh-wind-heating-load/) - [Why we are not the cheapest, and why our customers come back anyway](https://wahlheatingandcooling.com/why-wahl-is-not-the-cheapest/) - [The things a lot of contractors do that we flat out refuse to do](https://wahlheatingandcooling.com/what-wahl-refuses-to-do/) - [Walk me into a basement: what separates a Wahl install](https://wahlheatingandcooling.com/what-separates-a-wahl-install/) - [How you do one thing is how you do everything](https://wahlheatingandcooling.com/how-you-do-one-thing/) - [What I wish every Pittsburgh homeowner knew before calling any contractor](https://wahlheatingandcooling.com/how-to-choose-a-contractor-pittsburgh/) - [Why we added plumbing, water, excavation, and remodeling to an HVAC company](https://wahlheatingandcooling.com/why-wahl-does-it-all/) - [The worst install we ever ripped out (and the boiler with a Rubbermaid tote for a condensate pump)](https://wahlheatingandcooling.com/worst-install-we-redid/) - [Doing the right thing when it costs us money](https://wahlheatingandcooling.com/doing-the-right-thing-stories/) - [The $55,000 system that pays my customer $600 a month](https://wahlheatingandcooling.com/high-efficiency-system-roi-story/) - [From a Beechview basement in 1980 to today: the Wahl family story](https://wahlheatingandcooling.com/wahl-family-story-1980/) - [The cheapest thing you can do to make your system last longer](https://wahlheatingandcooling.com/cheapest-way-extend-hvac-life/) - [5 red flags you are about to get ripped off by a contractor](https://wahlheatingandcooling.com/contractor-red-flags/) - [The one question to ask all three contractors you get quotes from](https://wahlheatingandcooling.com/one-question-to-ask-contractors/) - [The two tools on my truck I will never cheap out on](https://wahlheatingandcooling.com/tools-i-never-cheap-out-on/) - [What still gets me fired up about this work after all these years](https://wahlheatingandcooling.com/why-i-still-love-this-work/) ## Company - [About Wahl Family](https://wahlheatingandcooling.com/about-us/) - [Contact Wahl Family](https://wahlheatingandcooling.com/contact-us/) - [Financing options](https://wahlheatingandcooling.com/financing/) - [Service areas in Allegheny County](https://wahlheatingandcooling.com/service-areas/) - [Wahl Club maintenance membership](https://wahlheatingandcooling.com/club-membership-page/)