https://btusize.com/ HVAC sizing tools, cost guides, comparisons, and troubleshooting for homeowners. en-us Thu, 09 Jul 2026 12:36:52 GMT https://btusize.com/compare/40-vs-50-gallon-water-heater/ https://btusize.com/compare/40-vs-50-gallon-water-heater/ Thu, 09 Jul 2026 06:00:00 GMT Compare Replacing a 40 gallon water heater and wondering if you should go 50? Real first hour ratings, the fit trap in tight closets, and what the upgrade costs. https://btusize.com/compare/80-vs-96-furnace/ https://btusize.com/compare/80-vs-96-furnace/ Thu, 09 Jul 2026 06:00:00 GMT Compare An 80% and a 96% furnace need different venting, different drains, and different spots in the house. What each install involves and which one fits yours. https://btusize.com/compare/rheem-vs-trane/ https://btusize.com/compare/rheem-vs-trane/ Thu, 09 Jul 2026 06:00:00 GMT Compare Rheem or Trane for your next AC, heat pump, or furnace? Real installed prices, the warranty difference that matters, and how to judge the two quotes. https://btusize.com/compare/rinnai-vs-navien/ https://btusize.com/compare/rinnai-vs-navien/ Thu, 09 Jul 2026 06:00:00 GMT Compare Rinnai or Navien for your tankless water heater? The models plumbers actually quote, warranty fine print, recirculation, and what breaks on each. https://btusize.com/compare/trane-vs-american-standard/ https://btusize.com/compare/trane-vs-american-standard/ Thu, 09 Jul 2026 06:00:00 GMT Compare Trane and American Standard come off the same assembly line. Which series match, why the quotes differ anyway, and how to use one against the other. https://btusize.com/troubleshooting/furnace-short-cycling/ https://btusize.com/troubleshooting/furnace-short-cycling/ Thu, 09 Jul 2026 06:00:00 GMT Troubleshooting Why your furnace turns on and off every few minutes, the free filter fix to try first, the gas-specific causes a tech handles, and the safety sign to stop. https://btusize.com/troubleshooting/ac-smells-bad/ https://btusize.com/troubleshooting/ac-smells-bad/ Mon, 06 Jul 2026 06:00:00 GMT Troubleshooting Musty, rotten egg, burning, or chemical: what each AC smell means, which ones are an emergency to act on now, which you can fix yourself, and which need a tech. https://btusize.com/hvac-service/ https://btusize.com/hvac-service/ Thu, 02 Jul 2026 06:00:00 GMT Guides What an HVAC service call costs, whether your problem is a real after-hours emergency or can wait until morning, and how to hire without getting gouged. https://btusize.com/troubleshooting/house-humid-with-ac-running/ https://btusize.com/troubleshooting/house-humid-with-ac-running/ Thu, 02 Jul 2026 06:00:00 GMT Troubleshooting Why your house feels humid even with the AC on. The free fix to try first, what to check next, and when an oversized unit or a dehumidifier is the answer. https://btusize.com/guides/how-to-finance-heating-and-air-conditioning/ https://btusize.com/guides/how-to-finance-heating-and-air-conditioning/ Wed, 01 Jul 2026 06:00:00 GMT Guides A new furnace or AC is a few thousand dollars you did not plan to spend. The ways to pay for it, when 0% is real, and what to ask before you sign. https://btusize.com/compare/best-humidifier-brands/ https://btusize.com/compare/best-humidifier-brands/ Tue, 30 Jun 2026 06:00:00 GMT Compare Which humidifier is right for you? Start with room vs whole-house, then pick by the chore you can live with: white dust, filters, scale, or an install. https://btusize.com/compare/goodman-vs-lennox/ https://btusize.com/compare/goodman-vs-lennox/ Tue, 30 Jun 2026 06:00:00 GMT Compare Goodman or Lennox? The real difference is not price or efficiency, it is what happens around year 8 when a part fails. Parts, warranty, and who each one suits. https://btusize.com/compare/merv-vs-fpr-vs-mpr/ https://btusize.com/compare/merv-vs-fpr-vs-mpr/ Tue, 30 Jun 2026 06:00:00 GMT Compare Three filter scales, one real standard. What MERV, MPR, and FPR mean, who owns each, the approximate conversion, and which number to trust when you shop. https://btusize.com/compare/nest-vs-ecobee/ https://btusize.com/compare/nest-vs-ecobee/ Tue, 30 Jun 2026 06:00:00 GMT Compare Nest vs ecobee comes down to your phone, your sensors, and your wiring. The Apple Home gap, the no-C-wire trap, room sensors, and which fits your house. https://btusize.com/guides/what-size-ac-do-i-need/ https://btusize.com/guides/what-size-ac-do-i-need/ Mon, 29 Jun 2026 06:00:00 GMT Guides The square-footage rule of thumb oversizes most homes. Why bigger is not better, and how to make sure a contractor sizes your new AC correctly. https://btusize.com/troubleshooting/portable-ac-not-cooling/ https://btusize.com/troubleshooting/portable-ac-not-cooling/ Mon, 29 Jun 2026 06:00:00 GMT Troubleshooting A portable air conditioner that runs but won't cool is usually a setup or sizing problem, not a broken unit. The hand-at-the-vent test and the fixes in order. https://btusize.com/guides/portable-evaporative-cooler/ https://btusize.com/guides/portable-evaporative-cooler/ Sun, 28 Jun 2026 06:00:00 GMT Guides A portable evaporative cooler cools a garage, shop, or patio for pennies in dry air. The size tiers, tank vs garden-hose fill, and where one disappoints. https://btusize.com/guides/swamp-cooler/ https://btusize.com/guides/swamp-cooler/ Sun, 28 Jun 2026 06:00:00 GMT Guides A swamp cooler cools for cheap in dry air but turns clammy when humid. What it is, how it works, the types, and the one thing that decides if it fits you. https://btusize.com/guides/whole-house-evaporative-cooler/ https://btusize.com/guides/whole-house-evaporative-cooler/ Sun, 28 Jun 2026 06:00:00 GMT Guides A whole-house swamp cooler is where evaporative cooling beats central AC on cost. The roof-or-ground mount call, the ductwork catch, and the yearly upkeep. https://btusize.com/guides/window-evaporative-cooler/ https://btusize.com/guides/window-evaporative-cooler/ Sun, 28 Jun 2026 06:00:00 GMT Guides A window evaporative cooler looks like a window AC but cools with wet pads. The heavy install, the water hookup, why it costs the same, and who it suits.