Rated 4.6 Stars on Google!

Trusted HVAC Service in the Greater Chicago area

Offering Trustworthy Heating and Cooling Services

Schedule Now Call 773-349-9745

We’re proud to offer expert heating, cooling, weatherization, home improvement, and home energy assessments!

Air Conditioning Repair

Heating Repair

Commercial HVAC

Heat Pumps

Boilers

Ductless HVAC

Thermostats

Expert HVAC Services from Parliament Builders Inc.

Parliament Builders Inc. is a leading provider of comprehensive HVAC services, specializing in furnace repair, AC repair, heating service, and HVAC service for residential and commercial clients throughout the Greater Chicago area. With a team of highly skilled technicians and a commitment to excellence, we deliver top-quality solutions to keep your indoor environment comfortable and efficient year-round.

Our experienced professionals are well-versed in servicing all makes and models of heating, air conditioning, and ventilation systems. Whether you need routine maintenance, emergency repairs, or a complete system installation, Parliament Builders Inc. has the expertise to get the job done right. We pride ourselves on our quick response times, ensuring that your HVAC needs are addressed promptly and efficiently.

Furnace Repair and Heating Service

When your furnace breaks down during the cold winter months, you need a reliable partner to restore warmth and comfort to your home or business. Parliament Builders Inc. offers expert furnace repair services, utilizing advanced diagnostic tools and industry best practices to quickly identify and resolve any issues with your heating system. Our technicians are trained to work on all types of furnaces, including gas, electric, and oil-fired units. By entrusting your heating needs to Parliament Builders Inc., you can enjoy a consistently warm and cozy indoor environment.

Schedule Now Call 773-349-9745

AC Repair and HVAC Service

As temperatures rise during the summer, a properly functioning air conditioning system is essential for maintaining a cool and comfortable living or working space. Parliament Builders Inc. specializes in AC repair services, addressing a wide range of issues, from refrigerant leaks and compressor failures to thermostat malfunctions and airflow problems. Our technicians are equipped with the latest tools and have the knowledge to diagnose and repair even the most complex AC systems.

Beyond AC repair, we offer full-service HVAC solutions to keep your entire heating, ventilation, and air conditioning system running smoothly. Our team can design and install custom HVAC systems tailored to your specific needs, ensuring optimal comfort, energy efficiency, and indoor air quality. We work with top-quality brands and use industry-leading techniques to deliver reliable and long-lasting results.

Schedule Now

Featured Offers

RECEIVE 10% OFF

For senior citizens, military personnel and their families, teachers, and public safety employees.

Call 773-349-9745 for details. Must present coupon at time of service.

Claim This Offer

$250 Off

New Furnace or Boiler

Call 773-349-9745 for details. Must present coupon at time of service.

Claim This Offer

$50 Off Next Repair

(TUNE-UP NOT INCLUDED)

Call 773-349-9745 for details. Must present coupon at time of service.

Claim This Offer

$89 Furnace or Boiler Tune Up

Regular Price $129

Call 773-349-9745 for details. Must present coupon at time of service.

Claim This Offer

Emergency Services and Free Estimates

At Parliament Builders Inc., we understand that HVAC emergencies can happen at any time, which is why we offer emergency service to our valued clients in the Greater Chicago area. Our dedicated team is always on standby, ready to respond to your call and provide prompt, effective solutions to restore your comfort and peace of mind. Whether you’re facing a broken furnace in the middle of the night or an AC failure on a sweltering weekend, you can count on us to be there when you need us most.

Schedule Now Call 773-349-9745

Honest Assessments and Fair Pricing

We believe in transparency and fair pricing, which is why we offer free installation estimates for all our HVAC services. Our knowledgeable technicians will assess your needs, provide expert recommendations, and present you with a detailed, no-obligation quote. We strive to deliver exceptional value to our clients, combining top-quality workmanship with competitive pricing to ensure your complete satisfaction.

Contact Parliament Builders Inc. for your HVAC needs.

Don’t let HVAC issues disrupt your comfort and productivity. Choose Parliament Builders Inc. for all your heating, air conditioning, and ventilation needs in Oak Lawn and Oak Park, IL. Contact us today to schedule your free estimate and experience the difference that our expert services can make in your home or business.

Why Choose Parliament Builders Inc.?

When it comes to HVAC services in the Greater Chicago area, Parliament Builders Inc. stands out from the competition for several reasons:

Expertise: Our team of highly skilled technicians has extensive experience and training in all aspects of HVAC service, repair, and installation.
Quality: We use only top-grade parts and materials, ensuring that your HVAC system operates at its best for years to come.
Customer Service: Our friendly and professional staff is dedicated to providing exceptional customer service, from your initial consultation to the completion of your project.
Reliability: With our emergency services and quick response times, you can trust Parliament Builders Inc. to be there when you need us most.
Fair Pricing: We offer competitive pricing and free estimates, ensuring that you receive the best value for your investment.

From The Blog

How to Find HVAC Contractors You Can Trust: Essential Questions to Ask Before Hiring and Red Flags That Signal You Should Walk Away

How to Find HVAC Contractors You Can Trust: Essential Questions to Ask Before Hiring and Red Flags That Signal You Should Walk Away Choosing an HVAC contractor is one of the most consequential decisions you will make as a homeowner or business operator. Whether you need AC repair, AC installation, heating service, or furnace repair, … Continued

April 1, 2026 Read More

How to Find HVAC Contractors You Can Trust: Essential Questions to Ask Before Hiring and Red Flags That Signal You Should Walk Away

April 1, 2026 Read More

Signs Your HVAC System Is Trying to Tell You Something's Wrong: Early Warning Signals Every Homeowner Should Know

Signs Your HVAC System Is Trying to Tell You Something’s Wrong: Early Warning Signals Every Homeowner Should Know Your heating and air conditioning system rarely fails without warning. In most cases, there are subtle and not-so-subtle signals that something is going wrong long before you experience a complete breakdown. At Parliament Builders – NextGen, we … Continued

March 1, 2026 Read More

Signs Your HVAC System Is Trying to Tell You Something's Wrong: Early Warning Signals Every Homeowner Should Know

March 1, 2026 Read More