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Your Trusted HVAC & Plumbing Experts in Sparta, NJ
R Poust has been delivering top-tier heating, cooling, plumbing, and electrical services to Northern New Jersey residents and businesses for over 45 years. Our family-owned operation, rooted in a legacy spanning more than eight decades, upholds the motto 'Business Built on Quality.' Our team of certified technicians prioritizes exceptional service, treating every client and property with respect and professionalism.

We specialize in HVAC systems, water treatment, well pumps, and comprehensive maintenance plans, ensuring reliable solutions tailored to residential and commercial needs. With a focus on integrity and expertise, we serve Sussex and Morris Counties, offering 24/7 emergency support and free estimates for new equipment installations.
Services
Heating Repair Air Conditioning Installation Plumbing Services Electrical Services Drain Cleaning Water Treatment Well Pump Services Mini Splits Maintenance Plans Electrical Remodeling
Highlights and features
  • We offer 24/7 emergency HVAC and plumbing services.
  • Our team consists of certified experts with extensive experience.
  • We provide free estimates for new heating and cooling equipment.
  • We serve Sussex and Morris Counties with local expertise.
  • We maintain systems year-round through customized maintenance plans.
Associations and certifications
  • Lennox Premier Dealer
What people say
Knowledgeable On time Honest and hard worker
Services
Heating Repair
Our heating repair services address furnaces, boilers, and heat pumps, ensuring efficient winter operation. We diagnose issues like pilot light failures, blower malfunctions, and thermostat problems. With 45+ years of experience, we provide prompt repairs to prevent emergencies, using Lennox-certified parts for lasting solutions.
Air Conditioning Installation
We specialize in air conditioning installation and maintenance, offering energy-efficient systems for homes and businesses. Our technicians assess cooling needs, recommend optimal units, and ensure proper installation. Regular maintenance extends system life and reduces energy costs by up to 30%.
Plumbing Services
Our plumbing services include leak repair, drain cleaning, water heater maintenance, and sewer line solutions. We use advanced techniques like hydro-jetting and video inspections to resolve clogs and pipe damage. Preventative maintenance prevents costly emergencies, ensuring safe, uninterrupted water flow.
Electrical Services
We provide comprehensive electrical services, from outlet installations to whole-home generator setups. Our licensed electricians handle repairs, upgrades, and safety inspections, addressing flickering lights, power outages, and outdated systems. Security system installations ensure property safety with reliable wiring.
Water Treatment
Our water treatment solutions include filtration systems, softeners, and well pump services. We address hard water, contaminants, and low pressure, optimizing water quality for households and businesses. Regular maintenance ensures safe drinking water and extends appliance lifespan.
Questions
What areas does R. Poust serve?
We serve Sussex and Morris Counties, including Andover, Denville, Hackettstown, Hamburg, Newton, Randolph, Rockaway, Sparta, Sussex-Wantage, and Vernon.
Do you offer emergency services?
Yes, we provide 24/7 emergency HVAC, plumbing, and electrical services for urgent needs.
Are financing options available?
Yes, we offer financing options for new heating and cooling equipment installations.
What maintenance plans do you offer?
We provide residential and commercial maintenance programs for HVAC, plumbing, and electrical systems to ensure year-round efficiency.
How can I schedule a service?
Call us at 973-520-7444 or request an estimate online for prompt assistance.
Reviews (7)
Tim Fitzgerald
Jun 06, 2022 Report
We have used them on a number of occasions most recently for a plumbing issue. Diego was very friendly and professional in explaining the issue and solution. He provided us with an estimate and completed the work right away. We would recommend them to anyone.
Jennifer Lozada
May 07, 2022 Report
I had my yearly maintenance done in March with another company that is well known. They had the wrong settings on my furnace and did not properly clean it. I called R Poust to come out and diagnose the problem. The customer service intake was friendly and very accommodating. The technician Frank W explained everything. His whole demeanor and care in explaining led me to believe the problem would be fixed.

Very competent, friendly and super clean in his work. You definitely get what you pay for! I will be calling R Poust year after year for my oil furnace maintenance! Great job and more importantly I have peace of mind knowing a confident and very skilled tech fixed the wrong that AJ Perri left behind.
Mike McGovern
Apr 29, 2022 Report
Poust came out within hours of call, and Richard the technician was awesome. He explained everything to me, walked me through the whole process and educated me on my whole system. On top of that he was super nice. He's a real asset to the company. Services: Heating system maintenance, Heating system repair
Vilma Saunders
Mar 11, 2022 Report
We had a welltank, PH Neutralizer, and water softener installed by Diego and his crew. The office staff who made my appointments were very courteous. Diego gave me so much information and answered all my questions when he came to give me an estimate that he made me feel comfortable about making a decision on what we needed for our well water. He was very professional, knowledgeable, courteous, and on time. The installation was done on time and as stated and after install I was given instructions on upkeep. In all it was a great experience and I would definitely recommend R. Poust.
Lori Holihan
Mar 03, 2022 Report
Matt B was our service technician. He is prompt, professional, courteous, knowledgeable and thorough. I can not say enough about how thankful I am that he took the time to explain our problem (in detail, and show me exactly what was happening). We had one completely corroded humidifier unit on our dual zone heating, and the other in need of repair. He then gave me options (and pricing!) for service and scheduled a replace & repair appt which had our units humidifying the house perfectly the very next day! I HIGHLY recommend Matt B, and as an R Poust customer for 20 years, a technician like Matt will have us as Poust customers for 20 more. Thanks Matt!
Casey Oldfield
Feb 28, 2022 Report
Ryan was awesome. He was professional, friendly, and extremely helpful. We had extra questions and he took the time to explain everything and give us all the information without pressuring us to make a decision. We trusted his expertise, so we will be using R Poust again in the near future to keep our heating running at its absolute best. Additionally, the person I spoke to on the phone (I cannot remember her name unfortunately) was so helpful and friendly and made sure we were seen the same day I called. I can't say enough good things about what could have been a very stressful situation.
Lisa DeGraw
Feb 15, 2022 Report
Kevin arrived promptly at the time given, called me when he was at my front door. Greeted me with a smile, and put on booties when he entered my apartment! Such a nice young man. Fixed the issue and explained it all to me. What a wonderful experience. I will recommend your services always. Thanks again! Service: Ductless heating & A/C services