[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"resolve-air-conditioning-and-heating/central-maryland/supertech-hvac-services":3,"legacy-company-air-conditioning-and-heating-central-maryland-supertech-hvac-services":9,"service-area-1985-central-maryland":85,"google-reviews-ChIJhxPSIA4OyIkRw9mCxgQKeYk":307},{"type":4,"category":5,"city":6,"company":7,"cityName":8},"company","air-conditioning-and-heating","central-maryland","supertech-hvac-services","Baltimore",{"contractor":10,"categories":35,"cities":51,"testimonials":54,"sd_testimonials":55,"testimonial_count":46,"info":56,"rating":60,"quote":61,"additional_info":62,"faqs":80,"context":84},{"contractor_id":11,"display_name":12,"url_name":7,"company_logo":13,"street_address":14,"address_locality":15,"address_region":16,"postal_code":17,"phone":18,"phone_organic":19,"phone_ppc":20,"email":19,"has_email":21,"legal_entity_name":22,"work_hours":23,"google_reviews_enabled":24,"google_place_id":25,"short_desc":26,"long_desc":19,"ext_desc":19,"review_summary":27,"best_pick_text":28,"hero_image":19,"hero_image_2x":19,"hero_image_3x":19,"has_liability":24,"workers_compensation":29,"signing_date":30,"meta_title":31,"meta_description":32,"canonical_url":33,"live_ppc_phone":34},1985,"SuperTech HVAC Services","assets/companylogo/1985/58c6e2a7-64e4-4f5b-b0db-64ba61969575.jpg","9590 Deereco Road","Lutherville-Timonium","MD","21093","443-963-3250","","443-292-2685",false,"SuperTech HVAC Services, Inc.","{\"Mo\":\"7:30 am - 6:30 pm\",\"Tu\":\"7:30 am - 6:30 pm\",\"We\":\"7:30 am - 6:30 pm\",\"Th\":\"7:30 am - 6:30 pm\",\"Fr\":\"7:30 am - 6:30 pm\",\"Sa\":\"8:30 am - 5:00 pm\",\"Su\":\"Closed\",\"IsPopulated\":true}",true,"ChIJhxPSIA4OyIkRw9mCxgQKeYk","Do what is right, not what is easy.\u003C/p>SuperTech HVAC Services provides HVAC system, furnace, heat pump, boiler, ductless mini-split, thermostat, and water heater repair, installation, and replacement; air duct installation, modification, replacement, and repair; indoor air quality solutions, including air purifiers and humidifiers; zoning systems; maintenance programs; and free estimates.","A selection of  homeowner reviews:","5th year as a Best Pick","V","2022-08-09T00:00:00.000Z","SuperTech HVAC Services - Air Conditioning & Heating Reviews in Baltimore | Best Pick Reports","SuperTech HVAC Services is a top-rated air conditioning and heating company in Baltimore recommended by Best Pick Reports. All Best Pick companies are backed by our guarantee, so call today!","/air-conditioning-and-heating/central-maryland/supertech-hvac-services",null,[36],{"category_id":37,"display_name":38,"url_name":5,"friendly_name":38,"services_offered":39,"services_not_offered":40,"specializations":34,"minimum_job":34,"warranty":41,"license_number":42,"awards_certifications":34,"organizations":34,"company_history":43,"distinctions":44,"employee_information":34,"product_information":34,"additional_information":34,"areas_served":34,"short_desc":26,"best_pick_text":28,"review_summary":27,"phone":18,"phone_organic":34,"phone_ppc":20,"live_ppc_phone":34,"avg_rating":45,"review_count":46,"total_5_stars":47,"total_4_stars":48,"total_3_stars":49,"total_2_stars":49,"total_1_stars":50,"fsr_owners_managers":34,"fsr_products_services":34,"fsr_insurance":34,"fsr_warranties":34,"fsr_company_history":34,"fsr_awards_memberships":34,"availability":34,"fee_structure":34,"financing_available":21,"free_estimates":24,"satisfaction_guarantee":34},26,"Air Conditioning & Heating","\u003Cul>\u003Cli>Humidifiers\u003C/li>\u003Cli>Boilers\u003C/li>\u003Cli>Air Purifiers\u003C/li>\u003Cli>Ductless Mini-Split Installation\u003C/li>\u003Cli>Ductwork Repair and Installation\u003C/li>\u003Cli>Furnace Repair, Installation, and Replacement\u003C/li>\u003Cli>HVAC System Repair, Installation, and Replacement\u003C/li>\u003Cli>Heat Pump Repair, Installation, and Replacement\u003C/li>\u003Cli>Indoor Air Quality Solutions\u003C/li>\u003Cli>Maintenance Programs\u003C/li>\u003Cli>Thermostat Installation, Repair, and Replacement\u003C/li>\u003Cli>Zoning Systems\u003C/li>\u003C/ul>","Air duct cleaning is not offered.","\u003Cul>\u003Cli>Labor warranty\u003C/li>\u003Cli>Manufacturer parts warranties honored\u003C/li>\u003C/ul>","HVAC 01-91545","The company started in 2014.","\u003Cul>\u003Cli>Air Conditioning Contractors of America (ACCA) member\u003C/li>\u003Cli>Employs an NCI Certified Carbon Monoxide and Combustion Analyst\u003C/li>\u003Cli>Owner Shijun Zhang is a BPI Certified Building Analyst Professional and Envelope Professional and an NCI Certified Residential HVAC System Performance Technician\u003C/li>\u003C/ul>",4.9,395,382,4,1,7,[52],{"city_id":53,"display_name":8,"url_name":6,"state_code":16,"state_name":16},20,[],[],{"phone":18,"email":19,"website":34,"short_desc":26,"long_desc":19,"ext_desc":19,"best_pick_text":28,"services_offered":39,"services_not_offered":40,"specializations":19,"minimum_job":19,"warranty":41,"license_number":42,"awards_certifications":19,"organizations":19,"company_history":43,"distinctions":44,"employee_information":19,"product_information":19,"additional_information":19,"quote":57,"quote_name":58,"quote_title":59},"\"Do what is right, not what is easy.\"","Shijun Zhang","CEO",{"total_testimonial_count":46,"avg_score":45,"testimonial_count_5_star":47,"testimonial_count_4_star":48,"testimonial_count_3_star":49,"testimonial_count_2_star":49,"testimonial_count_1_star":50},{"name":58,"title":59,"text":57},[63,67,70,73,76],{"name":64,"title":65,"text":39,"order":66},"services_offered","Services Offered",0,{"name":68,"title":69,"text":40,"order":49},"services_not_offered","Services Not Offered",{"name":71,"title":72,"text":41,"order":48},"warranty","Warranty",{"name":74,"title":75,"text":43,"order":50},"company_history","Company History",{"name":77,"title":78,"text":44,"order":79},"distinctions","Distinctions",8,[81],{"question":82,"answer":83},"What services does SuperTech HVAC Services offer?","SuperTech HVAC Services provides repair, installation, and replacement for HVAC systems, furnaces, heat pumps, boilers, ductless mini-splits, thermostats, and water heaters. It also offers air duct installation, modification, replacement, and repair, alongside indoor air quality solutions (air purifiers and humidifiers) and zoning systems. 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Alfonso and Jason were amazing—so friendly, patient, and knowledgeable. They took the time to explain how my furnace works and made sure everything was running perfectly before they left. It’s so nice to have technicians who genuinely care and don’t rush through the job. I really appreciate their honesty and professionalism. I’ll definitely call SuperTech again and recommend them to anyone who needs HVAC service.","en",{"text":313,"languageCode":314},{"displayName":317,"uri":318,"photoUri":319},"Marilyn Yerks","https://www.google.com/maps/contrib/105949831819378182348/reviews","https://lh3.googleusercontent.com/a/ACg8ocL8pMxlaPlvEU5mUwI6vY-K1jnny_AKOsAn0AUoq_Fuqwltqg=s128-c0x00000000-cc-rp-mo","6 months ago","2025-11-05T21:35:40.456615956Z",{"name":323,"rating":311,"text":324,"originalText":326,"authorAttribution":327,"relativePublishTimeDescription":331,"publishTime":332},"places/ChIJhxPSIA4OyIkRw9mCxgQKeYk/reviews/Ci9DQUlRQUNvZENodHljRjlvT25FNWFrd3lZVUZOTFUxUE0xazBibUY1WTJwQ1lVRRAB",{"text":325,"languageCode":314},"Alex came out for a scheduled maintenance check-up on my system. He was incredibly professional and explained things very well and simply for me. Very satisfied with Super techs visit today. Thank you Alex!!",{"text":325,"languageCode":314},{"displayName":328,"uri":329,"photoUri":330},"Zach Stubbs","https://www.google.com/maps/contrib/112946352673044384534/reviews","https://lh3.googleusercontent.com/a/ACg8ocJsjCNP1DsyiX_KDZN6xLwkQt718IFiRaYodkyjzpAAdkLC-g=s128-c0x00000000-cc-rp-mo","2 months ago","2026-02-13T21:14:12.492711615Z",{"name":334,"rating":311,"text":335,"originalText":337,"authorAttribution":338,"relativePublishTimeDescription":342,"publishTime":343},"places/ChIJhxPSIA4OyIkRw9mCxgQKeYk/reviews/Ci9DQUlRQUNvZENodHljRjlvT2xWd2NVbzBaRVUyVTFKalNESkhORTl2VGtZeGFHYxAB",{"text":336,"languageCode":314},"I have been a satisfied customer of Super Tech Services for approximately five months. I always get good service from them. The office personal are always friendly and helpful. Even if it is something as simple as a reading on the thermostat that I don't understand. A great BIG shout-out to Ebony for always being so friendly and helpful.",{"text":336,"languageCode":314},{"displayName":339,"uri":340,"photoUri":341},"Veronica Bresnick","https://www.google.com/maps/contrib/113069108972257643254/reviews","https://lh3.googleusercontent.com/a/ACg8ocLiTDYVyVbAsqwmbHA3hwd_NJ9w0pP_RR3w8D-96cX1R3xybQ=s128-c0x00000000-cc-rp-mo-ba2","5 months ago","2025-11-12T19:04:43.743306020Z",{"name":345,"rating":311,"text":346,"originalText":348,"authorAttribution":349,"relativePublishTimeDescription":342,"publishTime":353},"places/ChIJhxPSIA4OyIkRw9mCxgQKeYk/reviews/Ci9DQUlRQUNvZENodHljRjlvT210c2RrWlNOVXQwVDNkb01HRndORXhCZGxkbVNGRRAB",{"text":347,"languageCode":314},"We’ve had a good experience with SuperTech HVAC. Alternatively, we’ve had some crap experiences with other HVAC services. Thankfully, SuperTech staff were excellent. 1) Communications around pricing for a full replacement of our upstairs system were clear. 2) Administrative Staff were reliably prompt, friendly and helpful. 3) A follow-up walk-through with the Supervisory Staff to review the operational considerations of the installation went well. 4) And finally, the installation of our maximum efficiency heat pump went really smoothly. I’m relieved to have established a maintenance and support relationship with SuperTech. I’m very happy to provide our family’s recommendation.",{"text":347,"languageCode":314},{"displayName":350,"uri":351,"photoUri":352},"Sharon Metzler-Baron","https://www.google.com/maps/contrib/101808187471767458641/reviews","https://lh3.googleusercontent.com/a/ACg8ocLoUXMOUyAOml3DppzhebM0Y_Zk5OGg6VPgB9Q8Xy4waNo0x7M=s128-c0x00000000-cc-rp-mo-ba2","2025-11-14T13:51:54.815325080Z",{"name":355,"rating":311,"text":356,"originalText":358,"authorAttribution":359,"relativePublishTimeDescription":331,"publishTime":363},"places/ChIJhxPSIA4OyIkRw9mCxgQKeYk/reviews/Ci9DQUlRQUNvZENodHljRjlvT2toTVIxaHlaakZMWTIxb1RXbGxVRFI0ZVhkVWFIYxAB",{"text":357,"languageCode":314},"Alfonso is great to work with. He obviously knows his stuff and he is personable and friendly besides.\nToday he \"fixed\" our furnace just by walking in!\nYesterday morning it was making all kinds of screeching noises but was perfectly quiet when Alfonso came today and I turned it back on.",{"text":357,"languageCode":314},{"displayName":360,"uri":361,"photoUri":362},"Mike Miller","https://www.google.com/maps/contrib/107676444779525938848/reviews","https://lh3.googleusercontent.com/a-/ALV-UjWUPPo-hR5CEo5psTeyRgEgc82ae0sbG894B-DgBlSzEKocgKG7=s128-c0x00000000-cc-rp-mo-ba2","2026-02-09T16:06:31.327879373Z",643]