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20 Years
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Emergency
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Your Trusted HVAC Partner in Marshalltown, IA
B & G HVAC has been designing, installing, and servicing HVAC and geothermal systems for residential, commercial, and industrial customers since 2006. Our team combines over 50 years of combined experience with state-licensed expertise to deliver reliable solutions tailored to client needs. As a Lennox Premier Dealer, we prioritize energy-efficient systems and maintain a 100% satisfaction guarantee on all repairs and installations. Our 24/7 emergency service ensures prompt response to HVAC issues, supported by fully stocked vehicles and certified technicians.

We serve Central Iowa with a focus on long-term customer relationships, offering maintenance plans to optimize system performance and longevity. Our commitment to quality is reflected in partnerships with industry leaders and recognition through awards like the 2019 Best of Marshalltown Award. We emphasize transparency, ethical practices, and community involvement through memberships in local and state trade organizations.
Services
AC Repair Furnace Repair HVAC Installation Geothermal Systems Maintenance Plans Emergency Services Heat Pump Installation Indoor Air Quality Ductwork Services System Diagnostics
Details
  • Year established: 2006
Highlights and features
  • We offer 24/7 emergency HVAC services with rapid response times.
  • 15-year partnership with Lennox ensures access to premium systems.
  • Over 50 years of combined experience in residential and commercial HVAC solutions.
  • 100% satisfaction guarantee on all installations and repairs.
  • Serving Central Iowa with prompt, reliable service since 2006.
Associations and certifications
  • Lennox Premier Dealer
What people say
Prompt service Expert technicians Satisfaction guarantee 24/7 availability Energy-efficient solutions
Services
AC Repair
Our AC repair service addresses residential and commercial cooling systems with 24/7 emergency support. Technicians diagnose issues like refrigerant leaks, compressor failures, and airflow problems using advanced tools. We prioritize rapid restoration of comfort while ensuring long-term system efficiency through thorough diagnostics and quality parts.
Furnace Installation
We specialize in energy-efficient furnace installations for residential properties. Our NATE-certified technicians assess home size, insulation, and budget to recommend high-efficiency models. The process includes proper sizing calculations, old system removal, and integration with existing ductwork to maximize performance and reduce energy costs.
HVAC Maintenance
Our maintenance plans include seasonal inspections of electrical components, lubrication of moving parts, and airflow optimization. Technicians clean coils, check refrigerant levels, and test safety controls to prevent breakdowns. Regular service extends equipment lifespan and maintains manufacturer warranty validity.
Geothermal Systems
We design and install geothermal heating and cooling systems for residential and commercial properties. Our experts handle ground loop configuration, heat pump selection, and system integration. Geothermal solutions reduce energy consumption by up to 60% compared to traditional HVAC while providing consistent indoor comfort.
Emergency HVAC Service
Our 24/7 emergency service responds to critical HVAC failures with same-day appointments. Fully stocked service vehicles enable on-site repairs for common issues like furnace ignition failures and AC compressor malfunctions. We minimize downtime through rapid diagnostics and immediate parts replacement when possible.
Questions
Why is regular HVAC maintenance important?
Regular maintenance prevents breakdowns, extends equipment life, and maintains energy efficiency. Our technicians inspect components, clean coils, and optimize system performance during tune-ups.
What are signs I need AC repair?
Common signs include warm air output, unusual noises, rising energy bills, and frequent cycling. Our technicians diagnose issues like refrigerant leaks or compressor failures during emergency visits.
How do I choose the right furnace?
Our experts consider home size, insulation, and budget to recommend high-efficiency models. We explain AFUE ratings and installation requirements to ensure optimal performance and cost savings.
Do you offer financing options?
Yes, qualified buyers can choose no payments or interest for 12 months on Lennox system installations. We explain all financing terms during your consultation appointment.
What geothermal system benefits exist?
Geothermal systems reduce energy costs by up to 60% while providing consistent heating and cooling. They qualify for federal tax credits and have longer lifespans than traditional HVAC equipment.
How quickly do you respond to emergencies?
Our 24/7 service team responds to urgent HVAC failures within 2 hours of scheduling. Emergency calls connect directly to on-call technicians for immediate assistance.