HTP has been a trusted name in water heaters since Founded 1974, based in United States. The brand is particularly known for High-efficiency condensing water heaters and boilers with stainless steel heat exchangers for superior longevity. HTP is positioned in the premium price tier, making it a premium investment for water heaters.
HTP Water Heaters
HTP manufactures high-efficiency condensing and near-condensing water heaters, combination boiler/water heaters, and indirect-fired water heaters. Their stainless steel heat exchangers provide exceptional corrosion resistance and longevity. Key products include the Elite Ultra (up to 96% thermal efficiency), Versa-Hydro combi unit, and SuperStor indirect tanks.
PremiumTop-tier materials, design, and warranty
HTP Water Heaters Product Lines
Elite Ultra CondensingVersa-Hydro CombiSuperStor IndirectEverlast CondensingPhoenix Light Duty
Why Choose HTP for Water Heaters?
HTP stands out in the water heaters market because of High-efficiency condensing water heaters and boilers with stainless steel heat exchangers for superior longevity. Their products carry 3 industry certifications, including Energy Star, UL Listed, CSA Certified, giving homeowners confidence in quality and compliance. HTP backs their water heaters with a 10-15 year limited warranty on stainless steel tanks; varies by model, which shows commitment to long-term reliability. With 5 dedicated product lines — Elite Ultra Condensing, Versa-Hydro Combi, SuperStor Indirect, Everlast Condensing, and more — there's a HTP option for virtually every need and budget.
Certifications & Standards
Energy StarUL ListedCSA Certified
Warranty & Support
Warranty10-15 year limited warranty on stainless steel tanks; varies by model
Phone Support1-800-323-9651
Official Websitehttps://www.htproducts.com
Where to Buy HTP Water Heaters
Water Heaters How-To Guides
View All →How to Adjust Water Temperature
Set your gas or electric water heater thermostat to the right temperature for comfort, safety, and lower energy bills -- plus how to verify the actual output with a thermometer.
How to Choose the Right Size Water Heater
Calculate the right water heater size so you never run out of hot water -- covers first-hour rating for tanks, GPM for tankless, quick sizing charts, and the mistakes that leave people taking cold showers.
How to Flush Your Water Heater
Flush sediment from your tank water heater to cut energy bills, eliminate rumbling noises, and add years to its life -- the most important maintenance task most homeowners skip.
Common Water Heaters Problems
View All →Leaking Water Heater
Water around the base demands immediate attention -- floor damage, mold, electrical hazards. Could be loose fittings, a failing T&P valve, a bad drain valve, or a rusted-through tank that needs replacement.
No Hot Water
No hot water from any fixture? Cause depends on gas vs. electric. Common culprits: pilot light out, tripped breaker, failed element, faulty thermostat or gas valve.
Pilot Light Won't Stay Lit
Lights but will not stay lit? Almost always the thermocouple -- a safety sensor that detects the pilot flame. When it fails, the gas valve shuts off. Straightforward DIY repair, under $25.
Water Heaters Types
View All →Water Heaters Buying Guides
View All →HTP Water Heaters FAQ
Is HTP a good brand for water heaters?
HTP (Heat Transfer Products) is an American manufacturer of high-efficiency water heaters, boilers, and pool heaters based in East Freetown, Massachusetts. Founded in 1974, HTP specializes in condensing and near-condensing technology, producing some of the highest-efficiency residential and commercial water heating products on the market. Their Versa-Hydro combination boiler/water heater and Elite Ultra stainless steel water heaters are popular choices among plumbing professionals seeking maximum energy efficiency.
What warranty does HTP offer on water heaters?
HTP offers 10-15 year limited warranty on stainless steel tanks; varies by model.
Where is HTP made?
HTP is based in United States, headquartered in East Freetown, Massachusetts.
What price range does HTP water heaters fall into?
HTP is positioned in the premium price tier for water heaters. You pay more but get superior quality, materials, and warranty coverage.
What water heaters product lines does HTP offer?
HTP offers 5 water heaters product lines: Elite Ultra Condensing, Versa-Hydro Combi, SuperStor Indirect, Everlast Condensing, Phoenix Light Duty.
What certifications does HTP have for water heaters?
HTP holds 3 certifications including Energy Star, UL Listed, CSA Certified.