Natural gas hot water heater prices are typically the same as for LPG instant gas hot water heater systems prices. The QUICK STRAP #QS-50 is a seismic/earthquake support system for water heaters up to 80 U.S. gallons in size. With a small amount of dry wood pieces , you will have warm water in 15 minutes and scalding hot water in 20 – 25 minutes! The maintenance costs for gas water heaters are also relatively higher. The system includes: (4) Straps, (4) Lag Bolts, (4) J-Clips, (2) 3/8 inch Carriage Bolts and (2) 3/8 inch Hex Nuts. An electric water heater can cost $400-$3,000 or more for complete installation of a conventional storage-tank model and $1,800-$4,500 or more for a tankless model (including a 220V/240V outlet). AO Smith 201 Series ProMax GPVX-75L Vent Tall Propane Gas Water Heater, 75 gal. Water Heaters Installation. Electric water heaters typically cost less than gas units but are more expensive to operate. (Last Updated On: December 1, 2020) Tankless gas water heaters last longer than tanked heaters, provide on demand hot water whenever you want it, for as long as you want it, and will save you a nice chunk of change every month.Most reviewers report 30-40% reductions in their energy bills!These devices are a worthwhile investment based on their convenience alone. Instantaneous (instant) gas hot water heater systems prices are in the $1200 to $1575 range, depending on flow rate. The Rocket" designed and manufactured in South Africa, is a combustible fuel, dry wood hot water heater. Tankless water heaters come in both gas and electric options, so you don't have to decide between a gas (vs. an electric) water heater if you already have a preferred type. RHEEM GIDDS-2487259 Rheem Professional Classic Plus Heavy Duty Natural Gas Water Heater, 75 gallon, 75.1Kbtu, Side Relief Valve. † The comparison assumes a storage tank water heater as the input type. This Costimate details tank-style, or conventional hot water heater prices for gas (fuel source: natural gas and propane) and electric models for you to compare. Totai provides gas water heaters & geyser prices in South Africa. Tankless Water Heater Cost. Gas hot water heater tank prices typically range from around $830 for a 135L to $1475 for a 360L. Tankless water heaters cost around 2-3 times more than traditional storage tanks. Selecting the right water heater - one that is efficient and the right capacity - can dramatically impact your monthly energy bill. An electric hot water heater ranges in costs from about $300 to $700 while a gas heater ranges from $400 to $800. Installing a water heater costs $805 and $1,554, or an average of $1,170, including the unit and labor.Tankless heaters cost about $1,000 to $3,000. Gas water heaters are just right for those who want to get hot water in a cost-effective way. It is made to be impressive in terms of energy efficiency. Gas heaters have the advantage of being usable when the power goes out. Tankless water heaters work by drawing in cold water when you turn the tap on, instantly heating the water as it passes through a gas burner or electric element. Some people could end up spending over $1000 monthly. Click to add item "Richmond® Essential® 40 Gallon 6-Year 36,000 BTU Natural Gas Tank Water Heater" to the compare list Compare Click to add item "Richmond® Essential® 40 Gallon 6-Year 36,000 BTU Natural Gas Tank Water Heater" to the compare list Four of the top manufacturers of gas hot water heaters are GE, Kenmore, Rheem and Whirlpool. Excel Pro Tankless Gas Water Heater NATURAL GAS 6.6 GPM Whole House and for Hydronic heating Compare to Rinnai, Rheem,Noritz, Bosch FREE FLUE KIT 3.7 out of 5 stars 62 $498.00 $ 498 .