HALO Water Filtration System for Your Home
Enhance Your Long Island Home’s Water Quality with HALO
Cleaner, fresher water is just a step away. At T.F. O’Brien, we’re offering a free chlorine test so you can discover if a whole-home water purification system is the right choice for your family on Long Island.
If you’re tired of buying bottled water, HALO makes life easier, and more sustainable, by delivering purified drinking water right from your tap.
It's Easy to Get Started:
- Schedule your free chlorine test with T.F. O'Brien.
- We'll test your tap water and review your results.
- If HALO is right for your home, we'll provide options tailored to your needs.
4.9
1,940 reviews
T.F. O’Brien review scores as of 9/15/25
Ask about your FREE water test today!
(516) 488-1800
Why Choose HALO Water Filtration System?
Comprehensive Water Filtration
The HALO system uses a five-stage filtration process to remove contaminants like chlorine, chloramines, heavy metals, pesticides, and volatile organic compounds. That means cleaner, better-tasting water throughout your entire home.
Limescale Prevention
With the HALO ION 2.0 Plus inline water conditioner, the system helps prevent limescale buildup and even removes existing scale without chemicals. Your plumbing and appliances stay protected.
Maintenance-Free Operation
No salt, no chemicals, no electricity. The HALO system is built for convenience and peace of mind, backed by a 10-year warranty.
Whole-Home Coverage
Every faucet in your home delivers high-quality water, improving everyday living for drinking, cooking, cleaning, and bathing.
Better Water. Better Living.
Investing in water quality means investing in your health, your home, and the environment. HALO gives you the confidence of knowing your family has safe, clean water at every tap, without the hassle and waste of bottled water.
Start with a Free Water Test
Find out if HALO is right for your home. Contact T.F. O’Brien today to schedule your free water test and learn more about how the HALO Whole-Home Water Filtration System can benefit you.
See What Our Customer Have To Say
Insured, Highly Qualified Professionals
Superior Craftsmen with Great Attitudes and Work Ethic
Our people are passionate about sharing their technical expertise to make every day more comfortable in our customers’ homes and businesses.
- NATE Certified Technicians
- EPA Certified
- Professional Engineers (PE)
- Family Owned since 1934
- Air Conditioning Contractors of America (ACCA) Member
- A Huntington Township Chamber of Commerce Member
- A New Hyde Park Chamber of Commerce Member
Pay Nothing Until You Are Completely Satisfied
You can expect the following from our techs when they do work for you:
- They will care for your home and complete the job with speed and precision.
- They will not wear shoes on your carpets.
- They will clean up when they are finished and take personal responsibility for your satisfaction.
- They will not swear in your home.
- They will not smoke in your home.
- They are drug-free.
If you’re not completely happy when our technicians are done with the job, you won’t pay until you are totally satisfied with their work. The next time you need heating and cooling work done, call T.F. O’Brien and experience the difference.
Proudly Serving Long Island Since 1934
Specializing in heating and air conditioning installation, indoor air quality and water filtration as well as heating repair & ac repair services for more than 90 years, it’s easy to see why we are the trusted HVAC and home comfort experts in Long Island. Based in New Hyde Park, NY, we are conveniently located to serve Nassau, West Suffolk, and into Brooklyn and Queens.