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Trusted Plumbing, Electrical & HVAC Services in Bloomington, IL
Wm. Masters has served Central Illinois since 1976, evolving from a single electrical contractor into a trusted provider of comprehensive home and business solutions. Our family-owned company combines decades of expertise with cutting-edge technology to deliver reliable electrical, plumbing, heating, and air conditioning services. We prioritize honest pricing, transparent communication, and customer satisfaction, backed by a team of certified technicians with industry-specific knowledge. Our commitment to quality is reflected in our 40+ years of service, thousands of successful installations, and partnerships with leading brands like Trane and Nexia. We specialize in emergency response, offering 24/7 support for urgent plumbing, electrical, or HVAC issues.

Our technicians are trained to handle complex projects, from geothermal installations to sump pump replacements, ensuring long-term value for residential and commercial clients. We maintain affiliations with professional organizations including NECA, SMACNA, and BICSI, demonstrating our dedication to industry standards. Customer testimonials consistently highlight our prompt service, professional demeanor, and thorough explanations of work performed. With a focus on energy conservation and home automation, we provide modern solutions that improve comfort and efficiency. Our reputation for reliability has been built through consistent delivery of high-quality workmanship and exceptional customer care.
Services
Heating & Air Conditioning Plumbing Electrical Standby Generators Backflow Prevention
Details
  • Year established: 1976
Highlights and features
  • Family-owned with 40+ years of local experience
  • Honest pricing with no hidden fees
  • Included warranty on all service work
  • Certified technicians with industry-specific expertise
  • Proven reliability through thousands of customer reviews
Associations and certifications
  • NECA
  • SMACNA
  • BICSI
What people say
Great process Outstanding service Professional and efficient Highly recommended Quick response
Services
Heating & Air Conditioning
Our HVAC specialists install, repair, and maintain heating and cooling systems with precision. We offer geothermal solutions, duct cleaning technology, and indoor air quality improvements. Our technicians handle emergency repairs and new construction installations while maintaining energy efficiency standards.
Plumbing
We provide comprehensive plumbing solutions including water heater replacement, leak detection, and backflow prevention. Our experienced team handles emergency repairs, sump pump installations, and home remodeling projects with minimal disruption to daily operations.
Electrical
Our certified electricians manage residential and commercial electrical systems, from panel upgrades to lighting installations. We specialize in power conservation solutions and emergency electrical repairs while maintaining strict safety protocols and code compliance.
Standby Generators
We install and service whole-home backup generators to ensure uninterrupted power during outages. Our technicians work with leading brands to provide customized energy solutions that protect critical systems during emergencies.
Backflow Prevention
Our certified specialists test and repair backflow prevention devices to protect drinking water systems. We ensure compliance with local regulations through regular maintenance and emergency repair services for residential and commercial properties.
Questions
What services does Wm. Masters offer?
We provide plumbing, electrical, HVAC, standby generator, and backflow prevention services for residential and commercial clients in Central Illinois.
Are emergency services available?
Yes, we offer 24/7 emergency service with technicians available for immediate response to urgent plumbing, electrical, or HVAC issues.
Do you service both residential and commercial properties?
Yes, our technicians handle projects for both home and business owners throughout Central Illinois.
What financing options are available?
We offer financing options for major system replacements and installations. Contact our office for specific program details.
How can I schedule service?
Call (309) 662-8481 for emergencies or visit our website to submit a service request for non-urgent appointments.
What areas do you serve?
We primarily serve Central Illinois, including Bloomington, Normal, and surrounding communities.
Videos
Reviews (5)
Joe Hack
Jun 11, 2022 Report
Thanks to Buster and Gage for their excellent and efficient work installing our HVAC system. They were pleasant, hard working, and provided what they were going to do clearly and updated as they went along, and also how a problem discovered will have a followup from the office. They also were very careful with their movements in and out of the house and mindful to not cause any damage or mess. Their cleanup after installation was very well done. Overall very pleased. One possible problem discovered later with the system was called into the office for a review.
Pam Arreola
Jun 06, 2022 Report
My AC went out at the same time as my furnace! Todd came out looked it over and was super quick (same day) getting me a quote. It had been in the 90'S that week and I have a sick elderly person in the home. There quote was great, he was not only professional, but understanding and worked with me to get my equipment installed in a timely manner. Hunter and Shane were here with-in a week and not only installed my system, but were super informational and made sure I understood how to properly care/run my new system! McMasters will continue to be my go to company! Thank you so much!
E. R.
May 29, 2022 Report
Recently had my A/C died and contacted Wm. Masters for estimate and install. About 4 years ago they installed my furnace and was very happy with the furnace and service. Last week Tanner and Zac installed my new A/C in record time, they were very professional and courteous throughout the process. I will use Masters again for any future needs. Thanks!
Meg Bottorff
May 23, 2022 Report
When our AC went out after 31 years, we called Wm Masters to determine what our options were. We initially worked with Shawn who looked things over and provided us with options to replace just the AC, or both the AC and the furnace (also 31 yrs old). After deciding to replace both, Barry helped with scheduling and signing documents to move forward. Buster and Gage completed the install on the scheduled day.

They were on time, courteous, completed the replacements in a timely manner, cleaned up everything, and answered any questions that we had. The entire process went very smoothly from start to finish. Thanks to the entire team that we worked with. Shawn, Barry, Buster and Gage!
John Shaver
May 23, 2022 Report
Zac and Tanner did an outstanding job installing our new HVAC system, completing the project in approximately six hours, providing superior workmanship throughout the entire process. They were knowledgeable, courteous, professional, and showed remarkable respect for our home, lawn, and landscaping. We have used Masters for our HVAC, plumbing, electrical, and duct cleaning needs and every interaction with the company has exceeded our expectations. Highly recommended for anyone seeking quality work at a reasonable price.