# Bernie's Heating & A/C Service
> Chicago HVAC contractor (since 1992) for furnace, boiler, and air conditioning repair/installation plus 24/7 emergency service. Locally owned shop near Portage Park at 3704 N Cicero Ave, Chicago, IL 60641.

## Key facts
- Licensed, insured Chicago HVAC contractor with 30+ years of experience
- Phone: (773) 900-6248
- Email: info@berniesheating.com
- Base: 3704 N Cicero Ave, Chicago, IL 60641
- Focus: repair-first diagnostics, high-efficiency replacements when needed, Chicago housing stock expertise (bungalows, two-flats, steam/boiler systems)
- Emergency HVAC service available 24/7
- Credentials: Licensed and insured HVAC contractor; NATE-certified technicians; EPA Section 608 refrigerant handling; Carrier, Trane, Lennox, Rheem, Goodman and major-brand service

## Main pages
- [Home](https://berniesheating.com/): Chicago HVAC contractor overview and service positioning
- [HVAC Services](https://berniesheating.com/hvac-services): Full residential and commercial service index
- [About](https://berniesheating.com/about): Company story, founder background, and repair-first philosophy
- [Contact](https://berniesheating.com/contact): Phone, email, shop location, and appointment request
- [Service Areas](https://berniesheating.com/service-areas): Chicago neighborhoods and nearby suburbs

## Heating services
- [Heating Contractor](https://berniesheating.com/heating-contractor): Furnace, boiler, and heat pump services
- [Furnace Repair Service](https://berniesheating.com/furnace-repair-service): Diagnostics and repair for Chicago homes
- [Furnace Installation Chicago](https://berniesheating.com/heating-contractor/furnace-installation-chicago): High-efficiency furnace replacement
- [Boiler Services Chicago](https://berniesheating.com/heating-contractor/boiler-services-chicago): Steam and hot-water boiler work
- [Emergency HVAC Service Chicago](https://berniesheating.com/emergency-hvac-service-chicago): 24/7 no-heat emergency response

## Cooling services
- [Air Conditioning Contractor](https://berniesheating.com/air-conditioning-contractor): AC installation and service
- [Air Conditioning Repair Service](https://berniesheating.com/air-conditioning-repair-service): AC troubleshooting hub
- [AC Repair Chicago](https://berniesheating.com/air-conditioning-repair-service/ac-repair-chicago): Diagnostics and common failure patterns
- [24-Hour AC Repair Chicago](https://berniesheating.com/24-hour-ac-repair-chicago): After-hours cooling emergencies
- [Ductless Mini Splits Chicago](https://berniesheating.com/air-conditioning-contractor/ductless-mini-splits-chicago): Ductless options for older homes

## Specialty & maintenance
- [Seasonal HVAC Maintenance](https://berniesheating.com/seasonal-hvac-maintenance-chicago): Tune-up and maintenance plans
- [Indoor Air Quality Chicago](https://berniesheating.com/indoor-air-quality-chicago): Filtration, humidity, and ventilation
- [Commercial HVAC Chicago](https://berniesheating.com/commercial-hvac-chicago): Restaurant and retail HVAC
- [HVAC for Chicago Two-Flats](https://berniesheating.com/hvac-for-chicago-two-flats): Multi-unit housing HVAC considerations
- [Smart Thermostat Installation](https://berniesheating.com/thermostat-installation-repair-chicago): Thermostat setup and C-wire issues

## Priority neighborhoods
- [Chicago overview](https://berniesheating.com/service-areas/chicago): Citywide HVAC coverage context
- [Portage Park](https://berniesheating.com/service-areas/chicago/portage-park): Home-base neighborhood near the shop
- [Jefferson Park](https://berniesheating.com/service-areas/chicago/jefferson-park): Northwest Side heating and cooling service
- [Irving Park](https://berniesheating.com/service-areas/chicago/irving-park): Nearby neighborhood HVAC service
- [Belmont Cragin](https://berniesheating.com/service-areas/chicago/belmont-cragin): Bungalow-belt HVAC service
- [Logan Square](https://berniesheating.com/service-areas/chicago/logan-square): Local HVAC service coverage

## Optional
- [Privacy Policy](https://berniesheating.com/privacy-policy): Website privacy practices
- [Terms of Service](https://berniesheating.com/terms-of-service): Website terms of use

## Full index
- [llms-full.txt](https://berniesheating.com/llms-full.txt): Expanded page inventory including service-area coverage