A1 Best Heating & Cooling

Plumbing, Appliance & Drain Openers

Call (573) 231-5523

Hannibal's Experts in Full Service Heating, Cooling, Plumbing, & Electrical Services

We'll keep your home and family comfortable year-round.

(573) 231-5523
Contact Us Today

We Do it All - Give Us a Call! (573) 231-5523
From new installation to HVAC service and repairs, we've got you covered.

Installation

We can install any kind of HVAC system whether it’s a traditional ducted system, a ductless unit, or a commercial unit.

Service

Our team can perform annual AC tune-ups and other routine maintenance to keep your HVAC system in top shape season after season.

Repairs

Is your HVAC system making funny noises or not fully heating/cooling the way it should? We can troubleshoot any residential or commercial system.
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Welcome to A1 Best
Top-Rated HVAC Contractor in Hannibal, MO

A1 Best is Hannibal’s top choice when it comes to professional Heating & Cooling Plumbing Appliance & Drain Openers , service, and repairs for residential and commercial customers. Our main goal is to make sure that we recommend the right HVAC solution at the right price to every customer. We also offer a 100% satisfaction guarantee to all of our customers. If you’re not totally satisfied with our work, then we promise to make it right.

All of our technicians are fully certified and have the expertise to do every job right. If you need a new HVAC system installed or a current one looked at, call us for a free estimate!
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Our Services
Whether it's heating or cooling, we can handle all of your home comfort needs.


 
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Heating

When it’s cold outside, you want to make sure that your furnace is doing its job. Our team can handle any heating repairs, maintenance, or installation.
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Cooling

During the hot summer months, a lack of AC is nothing to joke about. Our team can handle any AC repairs, maintenance, or installation. 
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Ductless

No central HVAC system? No problem - we can install, maintain, or repair any mini-split AC system.
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Air Quality

Are asthma or allergies an issue in your home? We have different air purification options that let you enjoy a more comfortable, healthy, and energy-efficient home.
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Plumbing

From leaking faucets and leaking pipes to water heater repairs and installation, we offer a wide range of plumbing services for your home or business.
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Electrical Installations

Comprehensive installation services ensuring safe and efficient electrical systems in your home.
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Why Choose A1 Best Heating & Cooling Plumbing Appliance & Drain Openers?
Your Best Choice for HVAC Services near Hannibal

At A1 Best Heating & Cooling Plumbing Appliance & Drain Openers, we know that you have plenty of other HVAC companies to choose from in and near Hannibal, MO. However, not all companies have the same high standards we have. For instance, before anyone can join our team, we thoroughly screen all our applicants and make sure they pass a background check and drug test. We also only employ technicians with the certification and expertise necessary to do every HVAC job very well. When it comes to quality and customer service, we take no shortcuts.

Locally Owned & Operated
We are a local HVAC company right here in Hannibal that cares about our customers and the community we serve. We stand behind all of our work.

Quality Workmanship
All of our technicians are highly trained and experienced in both heating and cooling. We only use quality parts from the top manufacturers.

Fully Licensed & Insured
We're are a team of professionals, fully licensed and insured for the safety of our customers and employees.

Affordable Pricing with No Surprise Fees
We keep our prices competitive to offer our customers the most value. We also won’t try to sell you anything that you don’t need.
 
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Contact Us Today to Schedule an Appointment

A1 Best Heating & Cooling Plumbing Appliance & Drain Openers's licensed and certified technicians can tackle even the toughest heating and cooling challenges. Contact us today for a free estimate or to request service.


(573) 231-5523
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Sleep Peacefully
Our 100% Customer Satisfaction Guarantee

We are a locally owned and operated HVAC company right here in Hannibal that cares about our customers and the community we serve. We're dedicated to providing the best products and services at fair and competitive prices, all backed by our satisfaction guarantee. If you're not 100% happy, simply let us know and we will do anything we can to make it right. We appreciate your business and look forward to working with you.
 
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Service Area
Proudly serving Hannibal, MO and the surrounding communities throughout Northeast Missouri and Western Illinois.

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• Palmyra

• New London

• Rensselaer

• Monroe City

• Bowling Green

• Louisiana

• Center

• Saverton

• Perry

• Canton
• Quincy

• Payson

• Hull

• Barry

• Plainville

• Kinderhook

• Ursa

• Camp Point

Read What People Are Saying
Customer Testimonials
 

“Crew arrived within 2 hrs for an emergency call. They were efficient and thorough, with open and clear communication which is always appreciated. I’ll definitely be calling them again when needed and would recommend them 10/10.”
— Katelin Sims
“I found Jerry on Google. Was not able to come right away because he was over booked but set a date and to be at my house to replace our hot water heater and a kitchen faucet. Was on site for 2 hours but worked very efficiently. Fair pricing for parts and labor. I highly recommend Jerry for your plumbing needs.”
— Larry B. Craig
“Jerry was quick and responsive. Once he completed the house call and identified what was needed we had a new system installed within two days. His son is just as professional and knowledgeable as well, and thankfully great with dogs.”
— Austin Rodhouse

Get in Touch

Give us a call or send us a message using the form below.