When you need reliable, professional HVAC or plumbing services in Marengo, IL, call on the team that's been serving the region since 1946. With more than 50 years of hands-on experience, Hansen Heating, Plumbing, and Air Conditioning brings unmatched expertise, top-tier equipment, and a commitment to exceptional customer service to every home we enter.
Whether you're looking to upgrade your AC system, replace a failing water heater, fix a furnace issue, or tackle a plumbing emergency, Hansen is here with solutions you can trust. We work on all major brands, offer fast scheduling, and back our work with warranties and long-term customer care.
Contact Hansen today for expert HVAC and plumbing service in Marengo, IL—and discover the difference local experience makes.
With over 70 years of experience in home comfort solutions, we are committed to delivering top-tier residential services.
We install equipment from Armstrong Air, Mitsubishi, Weil-McLain, and Aprilaire, as well as Navien tankless water heaters and Bradford White tank water heaters.
We're available around the clock for urgent HVAC & plumbing needs with responsive and customer-focused service you can trust.
We offer hassle-free options for HVAC & plumbing installations as well as maintenance plans for long-term system reliability.
Hot summer day and your AC's blowing warm air? Don't sweat it—Hansen offers prompt, professional AC repair in Marengo, IL. We repair all makes and models, including:
We arrive with fully stocked trucks to fix most issues on the first visit—and we offer 24/7 emergency cooling repairs.
Need a system that can keep up with your home and the Midwest heat? We offer professional AC installation in Marengo using premium brands like Armstrong Air.
We design every system to fit your home and maximize comfort and efficiency.
When your furnace fails, your home can get uncomfortable fast. Hansen provides furnace repair in Marengo, IL that's fast, accurate, and always done right.
We also service boilers, ducted heat pumps, and mini-splits, keeping your home warm no matter the system.
Old furnace on its last leg? Planning a radiant heating upgrade? We provide furnace and boiler installation in Marengo, using top-rated brands like Armstrong Air and Weil-McLain.
Let Hansen make your winter heating more reliable, efficient, and affordable.
Investing in a new HVAC system, water heater, or major plumbing upgrade doesn’t have to be a financial burden. We offer flexible financing options to help make your home improvements more affordable. Whether you need a new furnace, AC, or water heater, we work with you to find a solution that fits your budget.
Ask us about our financing options and find out how you can upgrade your home comfort with affordable monthly payments!
Apply OnlineFrom dripping faucets to full repipes, Hansen handles it all. We provide residential plumbing services in Marengo, including:
We work cleanly, explain every step, and deliver plumbing that lasts.
Is your water heater leaking, unreliable, or just outdated? Hansen installs and services both tank and tankless water heaters in Marengo, including:
Our technicians help you choose the right size and system for your home and water usage.
Indoor air quality matters—especially in closed homes during cold Illinois winters. Hansen offers comprehensive indoor air quality services in Marengo, including:
Breathe easier with systems designed to improve health, comfort, and HVAC performance.
Slow drains or frequent clogs are more than an inconvenience—they can be signs of bigger issues. Hansen delivers fast, safe drain cleaning in Marengo, including:
We don't just clear clogs—we fix the problem and help prevent future ones.
Need to install a new gas appliance or fix a line? Hansen offers gas piping services in Marengo, performed by licensed professionals.
We handle permitting, testing, and full installation for your safety and peace of mind.
Dust, lint, and buildup in your ducts and dryer vents don't just reduce efficiency—they increase health and safety risks. Hansen offers duct cleaning and dryer vent cleaning in Marengo, including:
Cleaner ducts mean healthier air and longer system life.
Find out why homeowners in Huntley, IL and the surrounding areas trust Hansen Heating, Plumbing, and Air Conditioning for reliable HVAC, plumbing, and air conditioning services. Our customers appreciate our dedication to comfort, efficiency, and exceptional service—every time.
Hansen Heating, Plumbing, and Air Conditioning isn't a franchise—we're a locally trusted, family-owned team that's been serving Marengo and surrounding areas for decades. Our customers choose us because we provide:
When you want it done right, you want Hansen.
We proudly serve all of Marengo, IL, including:
If you're unsure if you're in our service area—just give us a call!
When it comes to your home's heating, cooling, and plumbing, you shouldn't have to settle for anything less than dependable, high-quality service. At Hansen Heating, Plumbing, and Air Conditioning, we've been proudly serving Marengo, IL homeowners since 1946, bringing over 50 years of real experience to every project we complete.
We understand how important comfort and functionality are in your home, and that's why we offer a full range of expert services—from furnace repair and AC installation to water heater replacement, drain cleaning, and gas line upgrades. Our team of licensed, bonded, and insured professionals handles every job with precision, honesty, and respect for your time and property.
At Hansen, we believe in doing things the right way—with premium products, quality craftsmanship, and a level of customer service that sets us apart. We install and service equipment from top brands like Armstrong Air, Weil-McLain, Mitsubishi, Navien, Bradford White, and AprilAire, so you can feel confident that your investment will perform for years to come.
We also offer flexible financing options and custom maintenance plans to help protect your systems and give you peace of mind year-round.
Whether you're dealing with a sudden breakdown or planning a home upgrade, Hansen is here to help with responsive scheduling, honest pricing, and trusted results.
Let's get started. Contact Hansen Heating, Plumbing, and Air Conditioning today to schedule your HVAC or plumbing service in Marengo, IL—and experience the reliable service your home deserves.
Save on HVAC, plumbing, and air conditioning services with our limited-time specials and coupons. Check back regularly for new offers to help you keep your home comfortable without breaking the bank!
Take $250 off a new system install when you purchase a new air conditioner and furnace unit.
*Valid with a purchase of both a furnace and air conditioning unit.
Enjoy $100 off the installation of one indoor air quality product including Reme Halo UV Lights, Aprilaire Filters, and Humidifiers.
Get our maintenance plan for a year for free when you schedule a furnace AND air conditioning unit installation
Enjoy $200 off the installation of a high-efficiency Navien tankless water heater system in your home.
Yes. Hansen provides 24/7 emergency HVAC and plumbing service in Marengo, including furnace failures, burst pipes, AC breakdowns, and urgent water heater issues. We're here when you need us most.
We install and service systems from Armstrong Air (AC & furnaces), Mitsubishi (mini-splits), Weil-McLain (boilers), Navien (tankless water heaters), Bradford White (tank systems), and AprilAire (air quality products). We also service all major brands of HVAC and plumbing equipment.
Most HVAC system replacements in Marengo range from $5,000 to $12,000, depending on the unit's size, efficiency, and complexity. We provide free estimates and offer financing to make upgrades more affordable.
Yes. We install and maintain Navien tankless water heaters and can also service other brands. These systems offer endless hot water, greater energy efficiency, and space-saving designs.
Absolutely. We work with homeowners and contractors on bathroom and kitchen plumbing remodels in Marengo, including reroutes, new fixture installs, appliance hookups, and full rough-ins for renovations.
If you notice gurgling drains, bad smells, slow draining sinks or tubs, or recurring clogs, it's time for professional drain cleaning in Marengo. We use snaking, jetting, and sewer cameras to solve the issue completely.
Yes. Hansen is licensed to install and repair residential gas piping in Marengo, including gas lines for indoor appliances, outdoor kitchens, fire pits, and generators. We also handle leak detection and pressure testing.
Yes. We recommend duct cleaning every 3–5 years or more often if you have pets, allergies, or recent renovations. Our duct and dryer vent cleaning in Marengo improves air quality, system efficiency, and reduces fire risks.