Heating System Check Up

Dedicated to Keeping Central and Eastern Pennsylvania Homes Safe

Since 1981, Haller has grown from a small local business into one of the largest and most respected home service providers in Central and Eastern Pennsylvania.

While much of our work focuses on heating, cooling, and plumbing systems that keep homes comfortable year-round, safety has always been central to what we do. Comfort and protection go hand in hand. A high-performing furnace or boiler should heat your home efficiently and operate safely. That’s why we offer professional carbon monoxide detector installation as part of our comprehensive home services.

(717) 204-8120

4.7
Based on 9696 reviews
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Carrier Residential Factory Authorized Dealer
North American Technician Excellence - NATE - Certifying the Finest in HVACR

Emergency Service

HVAC Systems Serviced

Drains Cleared

Trucks on the Road


Our Carbon Monoxide Detector Installation Process

Installing a carbon monoxide detector may sound simple, but proper positioning, power supply, and code compliance are essential for reliable performance. At Haller, we take a safety-first approach to ensure every installation is done correctly.

We begin by reviewing your home’s layout, fuel-burning appliances, and ventilation systems. This allows us to identify areas where risks may be higher and determine how many detectors are needed. From there, we create a placement plan designed for thorough coverage.

Getting started is simple. Call our team or reach out online to schedule your carbon monoxide detector installation at a time that works best for you. We’ll discuss your home’s needs, review detector options and placement, and provide clear pricing before any work begins.

Our licensed electricians install hardwired or battery-operated detectors according to manufacturer guidelines and local safety codes. Each unit is securely mounted, properly powered, and tested for accuracy. Before we leave, we confirm every detector responds correctly, explain alarm signals and battery replacement schedules, and walk you through the proper steps to take if the alarm sounds.

(717) 204-8120


What Our Customers Are Saying

Learn More About Our u003ca href=u0022https://hallerent.com/about-us/the-haller-guarantee/u0022u003e100% Satisfaction Guaranteeu003c/au003e

4.7
Based on 2715 reviews
Cathy Sutton
18 hours ago
First time calling Haller for an electrical issue and ultimately a light replacement. Was given an appointment the next day, which I truly appreciated! The person that I spoke with to schedule the appointment was wonderful! And, Jason, the electrician was very knowledgeable about my situation and gave me two possible solutions. I picked one and he had the new light installed in no time! Will definitely call Haller again for future electrical needs. Thank you!
Ivy Fasko
19 hours ago
I've been using Haller Enterprises for a couple of years now, from purchasing a new heating and AC system from them and having them install it to doing maintenance through the current time. The system installation went without a hitch and was done to where the basement was left in pristine condition. They've always been great. More than great! Timely and tidy & super competent!
Donald Wardwell
19 hours ago
Two preventive maintenance services performed today. Tim and Kenneth were professional, thorough, and informative. I am happy that I bought this annual whole house PM plan for peace of mind, comfort and safety!
Jim Hess
21 hours ago
Annual preventative maintenance was easy to schedule when it fit best for me. The Haller rep arrived timely and was very professional. He reviewed his findings with me at the end and gave me plenty of time to ask any questions that I had. There were no hidden up charges or recommendations of expensive "added" services that weren't needed. I trust Haller for a quality job at a fair price and fully recommend them.
Bill Stanley
23 hours ago
Water heater service
Tom Weaver
1 day ago
Technician arrived early, was extremely pleasant and courteous. Work was done quickly and to our complete satisfaction. We have used Haller for 20 years and enthusiastically recommend them!
Linda Kauffman
2 days ago
The technicians were courteous, explained everything, and left our house clean when they were through. They were very thorough.
Ron Bailey
2 days ago
Professional, friendly .Tex was quick & thurough. Highly recommend!
Brian Wiggins
2 days ago
Tim did a great job servicing our two water heaters and finding an issue with our flood stop and was able to replace the flood stop during the same visit. He explained everything well and answered all questions.
Lynn Ammon
2 days ago
Always kind and courteous Explains things throughly and in language that you can understand
ron roda
2 days ago
Nevin performed his tasks @ hand with,precision, perfection, performance, professionalism & punctuality… Additionally , we will tell our friends & family about Haller & there professionalism….& Most important is that they are reasonably priced…. that is a big big deal! And to top it off was the tech Nevin!!! Dude knows his s#©¥ ! I kinda hung out with him during the job & in that short amount of time I picked up some pointers! 1st Pointer was how to measure connecting copper wire…..2nd…process of elimination…easy to say … but…..Nevin nailed it with his model of patience attitude… If we have issues in the future, which of course will occur, we will be asking for Nevin !
Mike DeVito
2 days ago
Chris did a great job . Explained what he was doing and answered any qustion I had. Highly recommend
Ronald L was wonderful! Provided us with excellent service as well as future service recommendations. He is a wealth of knowledge! I will be using Haller for all of my future needs!
Rick Haller
2 days ago
Haller’s technicians are the best! Personable and technically competent. We always have a great experience!
Sharon Hickey
2 days ago
Awesome customer service.
Michael Campion
2 days ago
I called about the advertised $89 drain-cleaning special for a kitchen sink that was running slowly. After two technicians arrived in separate vans, they told me the special only covered main drains and quoted me $489 to $1,200. If kitchen sinks were excluded, that should have been explained when I scheduled the appointment, not after the technicians showed up. This felt like a bait and switch, and I wouldn’t recommend them. A waste of my time and theirs! UPDATE: Jason, the Senior Plumbing Team Leader, called me later that evening and apologized for the communication breakdown. He explained that the $89 ad had been worded too vaguely about what the special included. He offered to come back personally and clear my kitchen sink at no charge, which he did the next day. While inspecting the drain with a camera, he found significant buildup and two tight 90-degree PVC fittings that prevented the camera from going farther. He recommended replacing them with sweeping bends for a reasonable additional price. Even just running the camera improved the drain, and I appreciated Jason’s follow-up and willingness to honor my original request. I changed my rating from 1 star to 4 stars because of his follow-up and communication. He’s a good guy, and I wouldn’t hesitate to call Haller Enterprise again for service. Any company can make a mistake; what matters is how they respond to it.
chris r
3 days ago
Good, friendly, experienced. Good work ethic. Answered all my concerns
Efficient, courteous, informed what needed to be done. Helpful information what was needed for repairs.
Marie Senatus
3 days ago
They're doing in excellent 👏 jobs thanks for everything
smav120
3 days ago
Nevin did an incredible job maintaining my equipment. He went above and beyond to make sure it was running correctly. I appreciate the communication and recommendations he made. Thanks for the peace of mind, knowing where my equipment stands.
Susan Kennedy
4 days ago
Moises was terrific!
Lost water and the team came quickly on a weekend when no other plumber could. Honest and reliable.
Devonte installed new gas furnace that was diagnosed with a problem last week
Jill Scheneman
5 days ago
Wes did a thorough system inspection of our heating & hot water heater & kept us informed throughout the visit.
Ellen Furia
5 days ago
Excellent service. I have used Haller for all household needs for over 20 years

Technician on residential street in Behthlehem Pennsylvania

(717) 204-8120

Signs It’s Time to Replace Your Carbon Monoxide Detector

Carbon monoxide detectors don’t last forever.

Most units have a limited lifespan, and over time their internal sensors lose accuracy and reliability. If your detector is aging or showing warning signs, our team can safely replace it and make sure your home stays properly protected.

Most carbon monoxide detectors are designed to last between seven and ten years, depending on the manufacturer. After that point, the sensing components can weaken, even if the unit still powers on. If your detector is approaching or past this age range, it’s smart to schedule a replacement to maintain dependable protection.

Many modern detectors are built to alert you when they’ve reached the end of their service life. This often sounds like a consistent chirping noise that continues even after replacing the battery. When that happens, it’s not just a battery issue. It’s a sign the entire unit needs to be replaced.

If you’ve recently added or replaced appliances like a furnace, water heater, fireplace, or gas stove, your carbon monoxide protection may need to be updated as well. Changes in layout or ventilation can affect ideal detector placement. We can assess your current setup and replace or reposition units to ensure full coverage.

Many homes have detectors in some areas but gaps in coverage on certain floors or near sleeping areas. A professional assessment identifies where protection is missing and ensures every area of your home has reliable monitoring in place.

Benefits of Installing Carbon Monoxide Detectors in Your Home

Carbon monoxide detectors add a critical layer of protection against a hazard you can’t see or smell.

By continuously monitoring the air and sounding an alarm at the first sign of danger, they give your family valuable time to react. It’s a small investment that delivers lasting peace of mind and real-life safety.

Carbon monoxide detectors provide immediate alerts when dangerous levels are detected. This early warning can prevent serious illness or worse by giving you precious minutes to leave your home and call for help. When it comes to an invisible threat, having time to act makes all the difference.

Children, older adults, and pets are especially vulnerable to carbon monoxide exposure. Because symptoms can escalate quickly, early detection is critical for those at higher risk. Installing detectors helps safeguard every member of your household, including the ones who may not be able to communicate how they’re feeling.

Many building codes and safety organizations recommend or require carbon monoxide detectors in residential homes. Professional installation helps ensure proper placement and reliable performance, and knowing your home is continuously monitored brings lasting reassurance whether you’re home or away.

Why Homeowners Across the Region Choose Haller

Homeowners throughout Central and Eastern Pennsylvania turn to Haller because we combine proven expertise with responsive service and genuine care.

From the first phone call to the final walkthrough, we focus on doing the job right and treating your home with respect.

Safety concerns can’t wait. We offer prompt service to address urgent needs and help ensure your home is protected as quickly as possible.

Our licensed electricians are trained to install carbon monoxide detectors safely and correctly. We follow all local codes and manufacturer specifications for dependable performance.

As a comprehensive HVAC, plumbing, and electrical company, we understand how all your systems work together. That insight allows us to identify potential risks and provide complete solutions.

Safety upgrades should be accessible. We offer financing options that make it easier to protect your home without straining your budget.

We believe in clear communication and practical advice. If you need additional detectors or related safety improvements, we’ll explain why and let you decide with confidence.

With more than 400 team members, Haller has the capacity to serve homeowners across Central and Eastern Pennsylvania efficiently. Our size allows us to respond quickly while maintaining the personal service of a local company.

(717) 204-8120



Male Haller tech with tool bag entering residential home smiling.

Schedule Your Carbon Monoxide Detector Installation Today

Carbon monoxide is invisible, but the danger it presents is very real. Taking proactive steps now can prevent emergencies later.

Professional installation ensures your detectors are positioned for maximum protection and reliable performance. When you join our Home Comfort Club, you get worry-free coverage for your entire home, including heating and cooling, plumbing, electrical, and water quality systems.

Contact us today to schedule your installation and give your family the protection they deserve.


Frequently Asked Questions About Carbon Monoxide Detector Installation

How many carbon monoxide detectors does my home need?

Most homes require at least one detector on every level and one outside sleeping areas. Larger homes or those with multiple fuel-burning appliances may require additional units. A professional assessment ensures complete coverage.

Are hardwired detectors better than battery-operated ones?

Hardwired detectors provide continuous power and often include battery backups. Battery-operated models are flexible and easier to install in certain areas. The right choice depends on your home’s electrical setup and safety needs.

How long do carbon monoxide detectors last?

Most detectors last between five and 10 years. After that, their sensors can degrade and become less reliable. Replacing aging units is essential for continued protection.

Can I install carbon monoxide detectors myself?

While some battery-operated units can be installed by homeowners, proper placement and code compliance are critical. Professional installation ensures optimal positioning and reliable operation.

Do I need detectors if I have electric appliances?

Homes without fuel-burning appliances may have a lower risk, but attached garages or nearby sources can still introduce carbon monoxide. Installing detectors provides an added layer of protection regardless of your setup.

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