Bradford White or AO Smith - Gas - Conventional and Power vent hot water heaters for either residential or commercial applications
Bradford White or AO Smith - Electric - Conventional or Hybrid Heat pump water heaters

Gas Bradford White offer a large selection of gas water heater models from our innovative high efficiency designs to our standard energy-efficient units for both natural gas and propane applications. Models are available in 6 and 10-year warranties and a variety of gallon capacities.
Starting at $1400 installed
Electric Bradford White offer a complete line of electric water heaters, from the exciting new energy-efficient electric heat pump units to your standard electric (heating element) hot water heaters.
Starting at $1300 installed
http://www.bradfordwhite.com/

Rheem heat pump water heater
Professional Prestige® Hybrid Electric is the most efficient water heater available
Efficiency
https://www.rheem.com/product/professional-prestige-hybrid-electric-50-gallon-electric-econet-enabled-hybrid-electric-water-heater-with-10-year-limited-warranty-proph50-t2-rh350-d/
starting at $3000 installed
Professional Prestige® Hybrid Electric is the most efficient water heater available
Efficiency
- High 3.55 - 3.70 UEF -US
- Reduces operating cost
- ENERGY STAR® rated
- Delivers hot water faster than most standard electric water heaters – 67 gallons first-hour delivery for 50-gallon model, 75 gallons FHD for 65-gallon model and 89 gallons FHD for 80-gallon model
- LCD Screen with built-in water sensor alert with audible alarm
- EcoNet® WiFi-connected technology and free mobile app gives users control over water systems, allowing for customizable temperature, vacation settings, energy savings and system monitoring at home or away. Visit Rheem.com/EcoNetConnect
- Water sensor detects water outside of the unit and sends an alert via the free Rheem EcoNet® mobile app to the homeowner
https://www.rheem.com/product/professional-prestige-hybrid-electric-50-gallon-electric-econet-enabled-hybrid-electric-water-heater-with-10-year-limited-warranty-proph50-t2-rh350-d/
starting at $3000 installed
Navien Tankless Hot Water Heater and Boilers

The Ultimate in Energy Efficiency with Hi-Tech Comfort
Easy installation and PVC venting
3" SCH 40 solid PVC up to 100'
Industry's highest energy efficiency rating
Ready Link® Cascade System
Optional built-in recirculation system with buffer tank
Advanced Eco Navien technology
Extended lifecycle utilizing dual stainless steel heat exchangers
Advanced remote control - NR-10DU
Industry's best warranty!
https://www.navieninc.com/products/npe-240a
Starting at $4500 Installed
Easy installation and PVC venting
3" SCH 40 solid PVC up to 100'
Industry's highest energy efficiency rating
Ready Link® Cascade System
Optional built-in recirculation system with buffer tank
Advanced Eco Navien technology
Extended lifecycle utilizing dual stainless steel heat exchangers
Advanced remote control - NR-10DU
Industry's best warranty!
https://www.navieninc.com/products/npe-240a
Starting at $4500 Installed