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Shell Knob, MO

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Trusted Plumber and HVAC Services in Shell Knob, MO

Since 1981, All Seasons Comfort Systems has been the go-to provider for plumbing and HVAC services in Shell Knob, MO. With branches in Ozark and Reeds Spring, we bring decades of experience to homeowners looking for reliable comfort solutions. Whether your water heater needs replacing, your furnace is struggling, or your AC isn't keeping up, we have the expertise to get your home back on track.

Book a service appointment today or call 417-739-4606 for expert plumbing and HVAC services in Shell Knob!

Reliable Plumber in Shell Knob, MO

A working plumbing system is essential for your home’s comfort. When issues arise, you need a plumber in Shell Knob who can provide fast, effective solutions. Our services include:

  • Water Heater Repair & Installation – Whether your water heater isn’t providing enough hot water or has completely failed, we offer repairs and new installations, including energy-efficient tankless models.

  • Water Softeners – Hard water can damage pipes and appliances. We install and service water softeners to keep your home’s water clean and efficient.

  • Sump Pump Services – Protect your home from basement flooding with a reliable sump pump. We offer new installations and repairs for existing systems.

  • Toilet Repair & Replacement – Running, leaking, or outdated toilets? We repair all toilet issues and install modern, high-efficiency models.

  • Fixture Repairs & Replacements – Upgrade your kitchen or bathroom with new faucets, sinks, and showerheads, or get expert repairs for existing fixtures.

  • Water Line Repair – If you notice low water pressure or discolored water, your water line could need repairs. We quickly diagnose and fix leaks to restore your home’s water supply.

Heating and Air Conditioning in Shell Knob, MO

Missouri weather can be extreme, making a dependable HVAC system essential. We offer comprehensive heating and air conditioning services in Shell Knob, including:

  • Air Conditioning Repair & Installation – Whether you need a quick fix or a brand-new AC unit, we have the expertise to keep your home cool.

  • Furnace Repair & Replacement – From emergency furnace repairs to high-efficiency installations, we ensure your home stays warm all winter.

  • Heat Pumps – Enjoy energy-efficient heating and cooling in one system with our expert heat pump services.

  • Geothermal Heat Pumps – Save on energy costs with an environmentally friendly GeoComfort geothermal system that uses underground energy for heating and cooling.

  • Ductless Mini-Splits – Need to heat or cool a room without ductwork? Ductless systems provide flexible, efficient comfort.

  • HVAC Zoning Systems – Control the temperature in different areas of your home with a zoning system, reducing energy waste and improving comfort.

Keep Your HVAC Running Smoothly with Our Maintenance Plan

Want to prevent unexpected HVAC breakdowns? Our maintenance plan offers:

✔️ Two seasonal tune-ups per year
✔️ Priority service when you need it
✔️ 10% off all repairs
✔️ $10 off service calls

Flexible Financing for HVAC & Plumbing Upgrades

Need a new water heater, AC, or furnace? We offer financing options to help you upgrade your home’s comfort without financial stress.

Schedule Plumbing or HVAC Service in Shell Knob, MO

When you need reliable plumbing or HVAC services in Shell Knob, All Seasons Comfort Systems is ready to help.

Contact us today or call 417-739-4606 to schedule your appointment!

Recent Jobs and Reviews in Shell Knob, MO

Rated 5.0 out of 5 stars based on 27 customer reviews

Customers say: The overall sentiment expressed across these reviews is overwhelmingly positive, reflecting high levels of customer satisfaction and appreciation. Customers consistently praise the professionalism, expertise, and courtesy demonstrated by the service team. Recurring themes include technicians being knowledgeable, friendly, and efficient in diagnosing and resolving issues quickly. Many reviewers emphasize the thoroughness of the work performed, with technicians taking time to explain problems and solutions clearly to customers. The prompt and timely nature of the service is frequently highlighted, with customers expressing gratitude for quick responses and same-day or next-day availability. There is strong appreciation for the courteous and helpful attitudes displayed, with multiple mentions of technicians going above and beyond expectations to assist customers in urgent situations. The positive experiences have led several customers to express intentions to use the company again for future maintenance and to recommend the services to others. Overall, the tone is enthusiastic and appreciative, indicating a company that consistently delivers quality service through skilled and personable technicians who prioritize customer satisfaction and clear communication.

Shell Knob, MO at a glance

All Seasons Comfort Systems LLC has completed 25 jobs in Shell Knob, MO between August 2023 and September 2026.

The 25 customer reviews shown here average 5.0 out of 5.

The most recent job was on September 9, 2026.

Reviews

Service was as promised and exceptional.
The office team, manager, and Josh the technician were courteous, professional, and exceptional. They got me in same day. Thanks. Russell
Russell - Shell Knob, MO 65747
Excellent Service
Jean - Shell Knob, MO 65747
Excellent Service
Called on a Saturday for AC not working and Hunter was there by 10 and had us up and running by 10:30! Explained the issue thoroughly and had us fixed quickly!
Steve - Shell Knob, MO 65747
AC repair
We got service the next day and Hunter did a very thorough job!
Doug - Shell Knob, MO 65747
Excellent
Very professional
Keith - Shell Knob, MO 65747
Excellent service
Hunter was great
Dave - Shell Knob, MO 65747
Customer friendly with great service.
They came out the next day while others were backed up much longer. They diagnosed the problem quickly and found some other maintenance items that were needed and were reasonable in addressing those.
Phil - Shell Knob, MO 65747
Great to deal with, very professional
Jim - Shell Knob, MO 65747
Zach was great
Todd - Shell Knob, MO 65747
Customer
Excellent service, very knowledgeable and professional
Theresa - Shell Knob, MO 65747
Great service
Zach was very knowledgeable and fixed the problem we had.
Richard - Shell Knob, MO 65747
Same day service, great technician!
Deb - Shell Knob, MO 65747
Great service!
Deb - Shell Knob, MO 65747
Great service!
Very knowledgeable and very friendly
Dustin - Shell Knob, MO 65747
Best Service
Logan did a very complete job checking our systems. I feel like he went above and beyond and wasn’t in a rush to go to the next job. They worked around our busy schedule and stayed in constant communication. Excellent A+
Josh - Shell Knob, MO 65747
Excellent. Timely. Respectful
Brad - Shell Knob, MO 65747
Friendly Service
Zack did a very good job of testing our HVAC systems and thoroughly explained the work that he performed. He is friendly and cheerful and is dependable. Thank you, All Seasons Comfort Systems!
Chris - Shell Knob, MO 65747
Fair pricing, awesome employee
Really enjoyed talking with Zach. Seemed very knowledgable about the product. He was able to answer every question that I posed to him. I asked his opinion on a few different things and recieved what i believe was good information from him. That's why we didn't have to give it a lot of thought in order to go with All Seasons. And best of all he served our Country in the USMC!
Mark - Shell Knob, MO 65747
Awesome service
Very pleased, Logan does a wonderful job.
Colleen - Shell Knob, MO 65747
Arrived early,and got right to work
Great
Ron - Shell Knob, MO 65747
Awesome service
Crystal - Shell Knob, MO 65747
Awesome service & technician
Logan is a very nice knowledgeable. Very helpful & explains everything that needed to be done & costs and ways of saving me money.
??Colleen - Shell Knob, MO 65747
Good job
Good job thank you for the quick service and his honesty
Andrew - Shell Knob, MO 65747
Great
Did a great job, no problems found
Ron - Shell Knob, MO 65747
Great
Yancey was very professional and explained what he was doing, and got it fixed in a timely manner. Thank you so much!
Alice - Shell Knob, MO 65747

Job Locations

Hunter H.
Hunter H.
System not cooling indoor fan and outdoor fan both running but no cool air coming out of vent. Found compressor not operating check capacitor impressive side of capacitor had failed. Recommended replacing capacitor. Replaced and testing system check and draws and assurance system is cooling.
Shell Knob, MO 65747
Joshua P.
Joshua P.
Thermostat replacement
Shell Knob, MO 65747
Shell Knob, MO - Thermostat replacement
Joshua P.
Joshua P.
Maintenance on Lennox inverter system
Shell Knob, MO 65747
Joshua P.
Joshua P.
Doing maintenance on a Lennox heat pump
Shell Knob, MO 65747
Shell Knob, MO - Doing maintenance on a Lennox heat pump
Joshua P.
Joshua P.
Plan maintenance on two Lennox heat pump systems
Shell Knob, MO 65747
Shell Knob, MO - Plan maintenance on two Lennox heat pump systems
Hunter H.
Hunter H.
AC tune up perform on 2010 Lennox condenser and air handler. Checking over electrical components refrigerant pressures. Assuring that coils are clean and motors are working correctly changing filter and flushing drains all part of our procedures.
Shell Knob, MO 65747
Shell Knob, MO - AC tune up perform on 2010 Lennox condenser and air handler. Checking over electrical components refrigerant pressures. Assuring that coils are clean and motors are working correctly changing filter and flushing drains all part of our procedures.
Hunter H.
Hunter H.
Weekend service call system not cooling indoor fan blowing, but not cold. Found the outdoor unit fan was running, but did not feel or hear compressor running open electrical panel two outdoor unit and check the capacitor for compressor. Capacitor was bad and had replacement on van. Installed and tested checking amp draws.
Shell Knob, MO 65747
Hunter H.
Hunter H.
Received a call about an AC issue. Upon arrival, the indoor furnace was blowing, but the outdoor unit was non-functional. I first checked the power at the contactor and confirmed it was receiving high voltage. I manually bumped the contactor to ensure it operated correctly, which it did. Next, I inspected the low voltage and discovered there was no 24 V reaching the outdoor unit. I then moved to the furnace to check the 24 V supply. The thermostat had been removed earlier, but upon reattaching it and setting it to call for AC, the unit started working. Based on this, I concluded that the Nest thermostat was likely faulty and recommended replacing it.
Shell Knob, MO 65747
Hunter H.
Hunter H.
Upon receiving a call about a suspected gas leak, I promptly arrived on-site to assess the situation. After a thorough inspection, I confirmed the presence of a gas leak in the HVAC system. To ensure safety, I immediately red-tagged the unit, rendering it unusable until repairs were completed. I conducted a detailed analysis to identify the source of the leak and devised a comprehensive plan to fix it.
Shell Knob, MO 65747
Shell Knob, MO - Upon receiving a call about a suspected gas leak, I promptly arrived on-site to assess the situation. After a thorough inspection, I confirmed the presence of a gas leak in the HVAC system. To ensure safety, I immediately red-tagged the unit, rendering it unusable until repairs were completed. I conducted a detailed analysis to identify the source of the leak and devised a comprehensive plan to fix it.
Logan P.
Logan P.
emergency ac repair
Shell Knob, MO 65747
Logan P.
Logan P.
ac emergency service. complaint of outdoor unit with a loud buzz.
Shell Knob, MO 65747
Logan P.
Logan P.
complaint of no a.c. Found failed closed thermal expansion valve. replaced valve and tested system is now cooling properly.
Shell Knob, MO 65747
Hunter H.
Hunter H.
A/c tune up
Shell Knob, MO 65747
Hunter H.
Hunter H.
AC Tune Up
Shell Knob, MO 65747
Hunter H.
Hunter H.
Installed new thermostat for customer and helped step up to phone
Shell Knob, MO 65747
Logan P.
Logan P.
complaint of no a.c found thermostat not telling heat pump to run a.c found nest not configured for heat pump. setup for heatpump and tested operation. system is now operating properly
Shell Knob, MO 65747
Hunter H.
Hunter H.
Installed 2 ton straight AC with electric heat strips
Shell Knob, MO 65747
Shell Knob, MO - Installed 2 ton straight AC with electric heat strips
Alfonzo G.
Alfonzo G.
Repaired a Carrier furnace with a faulty ignitor. Diagnosed the issue quickly and replaced the ignitor to restore heat for the family.
Shell Knob, MO 65747
Alfonzo G.
Alfonzo G.
Completed a preventative maintenance service on a Lennox heat pump. Replaced filters, checked refrigerant levels, and verified thermostat operation for peak performance.
Shell Knob, MO 65747
Zachary D.
Zachary D.
Giving a second opinion on a refrigerant leak a previous company couldn’t find. I was able to find 3 leaks on the evaporator coil. No other leaks found across the system. Ordering a replacement evaporator coil under warranty to repair the system from leaks.
Shell Knob, MO 65747
Shell Knob, MO - Giving a second opinion on a refrigerant leak a previous company couldn’t find. I was able to find 3 leaks on the evaporator coil. No other leaks found across the system. Ordering a replacement evaporator coil under warranty to repair the system from leaks.
Zachary D.
Zachary D.
Troubleshooting a no AC call where the heat pump is only making heat during a call for AC. Found outdoor unit had multiple dead mice inside, which had chewed through multiple wires on unit. Re-wired system to fix damage wiring. Tested operation. No other issues found.
Shell Knob, MO 65747
Shell Knob, MO - Troubleshooting a no AC call where the heat pump is only making heat during a call for AC. Found outdoor unit had multiple dead mice inside, which had chewed through multiple wires on unit. Re-wired system to fix damage wiring. Tested operation. No other issues found.
Tucker J.
Tucker J.
Identified a malfunctioning blower motor in a Carrier air handler during diagnostics. Replaced the faulty motor to restore proper airflow. Additionally, conducted necessary duct repairs in the attic unit to address airflow restrictions. Ensured all repairs were completed meticulously to optimize the system's performance and efficiency. Advised the homeowner on regular maintenance to prevent future issues.
Shell Knob, MO 65747
Tucker J.
Tucker J.
Changing out a heat kit that is under warranty and running new communication wire to the outdoor heat pump on a Lennox system. This system is now operating properly and working well!
Shell Knob, MO 65747
Tucker J.
Tucker J.
Heating tune up in shell knob on a Lennox variable capacity heat pump and air handler is showing perfect operation!
Shell Knob, MO 65747
Logan P.
Logan P.
Complaint of a c froze up.
Shell Knob, MO 65747
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