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National Hot Water
Dallas, TX 75220
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Our Story
Our main lines of business include: Heating Contractors, Geothermal Energy Systems, Water Treating Svc., Equip., & Chemicals.
National Hot Water has been listed in the Blue Book since 2018.
What We Do
- Geothermal Energy Systems
- Heating Contractors
- Water Treating Svc., Equip., & Chemicals
Regions & Counties Serviced
- Dallas, Fort Worth
Texas 1
- Dallas
Our CSI Codes
22 31 13 - Residential Domestic Water Softeners
22 31 16 - Commercial Domestic Water Softeners
22 32 13 - Domestic-Water Bag-Type Filters
22 32 16 - Domestic-Water Freestanding Cartridge Filters
22 32 19 - Domestic-Water Off-Floor Cartridge Filters
22 32 23 - Domestic-Water Carbon Filters
22 32 26 - Domestic-Water Sand Filters
22 32 26.13 - Domestic-Water Circulating Sand Filters
22 32 26.16 - Domestic-Water Multimedia Sand Filters
22 67 13.16 - Reverse-Osmosis Water Piping
22 67 13.19 - Deionized-Water Piping
22 67 19 - Processed Water Equipment for Laboratory and Healthcare Facilities
22 67 19.13 - Distilled-Water Equipment
22 67 19.16 - Reverse-Osmosis Water Equipment
22 67 19.19 - Deionized-Water Equipment
23 01 50 - Operation and Maintenance of Central Heating Equipment
23 06 50 - Schedules for Central Heating Equipment
23 21 13.33 - Ground-Loop Heat-Pump Piping
23 25 13 - Water Treatment for Closed-Loop Hydronic Systems
23 25 16 - Water Treatment for Open Hydronic Systems
23 25 19 - Water Treatment for Steam System Feedwater
23 25 23 - Water Treatment for Humidification Steam System Feedwater
23 51 43.16 - Particulate Filtration
23 57 33 - Direct Geoexchange Heat Exchangers
23 71 13.16 - Heat-Pump Boosters for Thermal Storage
23 81 43 - Air-Source Unitary Heat Pumps
23 81 46 - Water-Source Unitary Heat Pumps
43 32 56 - Reverse-Osmosis Purification Units
43 32 66 - Vacuum Degasifiers
43 32 69 - Chemical Feed Systems
43 32 76 - Chlorination Equipment
44 06 40 - Schedules for Water Treatment Equipment
44 40 00.00.01 - Water Treatment Equipment
44 42 26 - Water Treatment Comminutors
44 42 59 - Water Treatment Reactors
44 43 13 - Water Filters
44 44 13 - Water Treatment Chemical Feed Equipment
44 44 19 - Water Coagulators
44 44 23 - Water Dechlorinators
44 44 29 - Water Emulsifiers
44 44 33 - Water Emulsion Crackers
44 44 36 - Water Flocculators
44 44 39 - Water Fluoridation Equipment
44 44 46 - Water Hydrothermal Equipment
44 44 49 - Water Oils Treatment Equipment
44 44 53 - Water Oxidation/Reduction Equipment
44 44 56 - Water Ozone Equipment
44 44 69 - Water Pretreatment Equipment
44 45 13 - Water Biofilters
48 16 13 - Geothermal Energy Heat Pumps
48 16 16 - Geothermal Energy Condensers
48 16 19 - Geothermal Energy Steam Turbines
