3139 Ala Ilima St #505, Honolulu, HI 96818, USA
Website
22 local Water Treatment pros serving 12 cities across Hawaii. Looking for water treatment in Hawaii? HVAC Service Fast lists 22 local Water Treatment companies serving 12 cities — from Aliamanu / Salt Lakes / Foster Village and Honolulu to Hālawa Heights. Compare Google ratings, check license details and contact companies directly — no middleman, no fees. Hawaii summers averaging around 83°F put cooling equipment under real stress, and long run times… Read more
Local contractors · pick a city to narrow down
3139 Ala Ilima St #505, Honolulu, HI 96818, USA
Website
2002 Homerule St, Honolulu, HI 96819, USA
Website
2045 Lauwiliwili St #804, Kapolei, HI 96707, USA
Website
45-558 Kamehameha Hwy c5, Kaneohe, HI 96744, USA
Website
1777 Ala Moana Blvd, Honolulu, HI 96815, USA
Website
99-950B Iwaena St, Aiea, HI 96701, USA
Website
82-6066, Mamalahoa Hwy Ste 12, Captain Cook, HI 96704, USA
Website
16-631 Kipimana St, Keaau, HI 96749, USA
Website
99-1265 Halawa Valley St, Aiea, HI 96701, USA
Website
3049 Ualena St Ste 713, Honolulu, HI 96819, USA
Website
360 Papa Pl, Kahului, HI 96732, USA
Website
C311a, 75-170 Hualalai Rd, Kailua-Kona, HI 96740, USA
Website
76 Pookela St, Hilo, HI 96720, USA
Website
94-405 Maikoiko St, Waipahu, HI 96797, USA
Website
2002 Homerule St, Honolulu, HI 96819, USA
Website
99-1205 Halawa Valley St, Aiea, HI 96701, USA
Website
1585 Kapiolani Blvd #711, Honolulu, HI 96814, USA
Website
4341 Lawehana St, Honolulu, HI 96818, USA
Website
1321 Kalani St #220, Honolulu, HI 96817, USA
Website
2385 Waimano Home Rd, Pearl City, HI 96782, USA
Website
99-635 Pualaa St, Aiea, HI 96701, USA
664 Kakoi St # B, Honolulu, HI 96819, USA
Looking for water treatment in Hawaii? HVAC Service Fast lists 22 local Water Treatment companies serving 12 cities — from Aliamanu / Salt Lakes / Foster Village and Honolulu to Hālawa Heights. Compare Google ratings, check license details and contact companies directly — no middleman, no fees.
Hawaii summers averaging around 83°F put cooling equipment under real stress, and long run times shorten the life of neglected systems. Typical jobs include water treatment, water softener installation, whole-house water filtration and seasonal maintenance.
Contractor licensing in Hawaii runs through the Hawaii DCCA Professional License Search. Where a company lists a license number on its profile, you can verify it yourself on the official portal before you hire — a two-minute check that filters out most bad actors.
Open a city page for the full local list of Water Treatment pros.