Hill’s Approved Domestic Hot Water

At Hill’s we research all manufacturers of residential heating, air conditioning and ventilating equipment and accessories. The manufacturers that we list as Hills Approved Products offer the best products in the industry in a wide variety of price ranges.

Hill’s Approved Products are chosen from manufacturers that have proven to provide the best equipment quality, dependability and highest level of customer service.

Hill’s Approved Products come with at least a 5 year parts warranty.(residential one or two family)

If you purchase Hill’s Approved Products, you can be sure they are the best available. They come with more standard features and better warranties than those offered by other companies.

Standard water heaters. Direct fired water heaters for high efficiency hot water on demand. Indirect Fired



Rinnai Ultra Series: Instant Hot Water

The Ultimate in Efficiency.

The Ultra Series, with integrated condensing technology, is ideal for residential and commercial applications and can be banked together for even greater capacity. In addition to our concentric polypropylene venting, using the Ubbink Concentric to Twin Pipe adaptor, Rinnai Ultra Series Condensing Tankless Water Heaters can be vented using PVC/CPVC. Multiple venting options allow for an installation of total convenience.





Instant Hot Water

Max Input : 199,900 BTU/H
Indoor/Outdoor Installation
½” gas pipe capable up to 24’
Field convertible gas system
Ultra condensing efficiency
Dual stainless steel heat exchangers
Low NOx emissions (≤ 20ppm)
SCH 40, 2” venting up to 60’
Cascading capable.


Rheeme Hot Water

Professional Prestige Series: 95 Direct Vent Indoor

  • ENERGY STAR® rated
  • Up to .94 EF with stainless steel condensing heat exchanger

Built-in Condensate Neutralizer – reduces installation cost and time