This page lists hvac companies from the Chicagoland (Cook, DuPage, Lake, Will, Kane counties) research set. Towns named in that set include Evanston, Naperville, Aurora, Schaumburg, Oak Park, and Skokie.
16 businesses have a numbered rank because they have at least one counted independent source. 0 are listed below without a rank. Nothing on this page is a paid placement, and there is no composite score.
Towns covered: Addison, Arlington Heights, Aurora, Barrington, Batavia, Bensenville, Berwyn, Bolingbrook, Brookfield, Buffalo Grove, Carol Stream, Chicago, Clarendon Hills, Crestwood, Crystal Lake, Des Plaines, Downers Grove, East Dundee, Elburn, Elgin, Elk Grove Village, Elmhurst, Evanston, Frankfort, Franklin Park, Geneva, Glen Ellyn, Glencoe, Glenview, Hanover Park, Highland Park, Hillside, Hinsdale, Hoffman Estates, Homewood, Itasca, Joliet, Kildeer, La Grange, Lake Bluff, Lake Forest, Lake Villa, Lemont, Libertyville, Lincolnshire, Lincolnwood, Lisle, Lockport, Lombard, Melrose Park, Monee, Montgomery, Morris, Morton Grove, Mt. Prospect, Naperville, New Lenox, Niles, North Aurora, Northbrook, Northfield, Oak Brook, Oak Forest, Oak Park, Oakbrook Terrace, Orland Park, Oswego, Palatine, Palos Hills, Park Ridge, Plainfield, Prospect Heights, Riverside, Rolling Meadows, Roselle, Schaumburg, Schiller Park, Skokie, South Barrington, St Charles, Vernon Hills, Warrenville, West Chicago, Wheaton, Wheeling, Willowbrook, Wilmette, Winfield, Winnetka, Woodridge, Worth, Yorkville.
16 with at least one counted independent source, ordered by source count, then recognition strength, then the research notes.
CJ Plumbing & Heating is in the hvac companies research set for Evanston, Illinois, with notes that also name plumbing. Expertise.com includes the business and does not publish a numeric score.
S.L.S. Plumbing Heating & Cooling is in the hvac companies research set for Lombard, Illinois, with notes that also name plumbing. Expertise.com includes the business and does not publish a numeric score.
Franzen Heating & Cooling is a heating and cooling business in Aurora, Illinois. Expertise.com includes the business and does not publish a numeric score.
PDM Plumbing, Heating, and Cooling is in the hvac companies research set for Joliet, Illinois, with notes that also name plumbing. Expertise.com includes the business and does not publish a numeric score.
Air Blue Heating and Cooling Inc., in Wheeling, Illinois, is a heating and cooling business. Expertise.com includes the business and does not publish a numeric score.
Ultimate HVAC, in Glenview, Illinois, is a heating and cooling business. Expertise.com includes the business and does not publish a numeric score.
Around the Town Heating & Cooling™, in Crestwood, Illinois, is a heating and cooling business. Expertise.com includes the business and does not publish a numeric score.
US Allied Plumbing, Heating & Cooling is in the hvac companies research set for North Aurora, Illinois, with notes that also name plumbing. Expertise.com includes the business and does not publish a numeric score.
RCM Heating & Cooling is a heating and cooling business in New Lenox, Illinois. Expertise.com includes the business and does not publish a numeric score.
In Northbrook, Illinois, Teutonic Temperature Control is a heating and cooling business. Expertise.com includes the business and does not publish a numeric score.
Ferraro HVAC Heating, Cooling & Mechanical Services, in Brookfield, is a heating and cooling business. Expertise.com includes the business and does not publish a numeric score.
In Naperville, Illinois, Dutchman Heating & Cooling, Inc. is a heating and cooling business. Expertise.com includes the business and does not publish a numeric score.
Royal American Heating & Cooling is a heating and cooling business in Melrose Park, Illinois. Expertise.com includes the business and does not publish a numeric score.
Corcoran Heating & Air Conditioning, Inc., in Schaumburg, Illinois, is a heating and cooling business. Recorded practice details include air conditioning. Expertise.com includes the business and does not publish a numeric score.
In Geneva, Illinois, Harmonic Heating & Air Conditioning is a heating and cooling business. Recorded practice details include air conditioning. Expertise.com includes the business and does not publish a numeric score.
Midtown Mechanical Corporation is a heating and cooling business in Chicago, Illinois. Expertise.com includes the business and does not publish a numeric score.
What this list covers and how to read it.
The list covers hvac companies recorded for the Chicagoland (Cook, DuPage, Lake, Will, Kane counties). It is not limited to Chicago city limits.
Counted sources on the numbered part of this list include Expertise.com. A star mark or a review total is shown only when the research file records that exact figure.
A numbered row is an editorial order, not a paid position. Every business on this page has a counted independent source, so there is no unranked section.
Updated Oct 2026.
This order uses only the research file. Each business has a source count: how many distinct independent publishers were counted. Best Law Firms and individual Best Lawyers listings count as one publisher. Higher source counts come first. A numbered rank requires a source count of at least 1. Other counted sources, including Expertise.com, change that count and do not add a separate strength step.
When source counts match, recorded recognitions break the tie. Best Law Firms Tier 1 ranks above Tier 2, and more Tier 1 rankings rank above fewer. A larger set of recorded tier rankings ranks above a smaller set when the best tier and the Tier 1 count match. Super Lawyers and Best Lawyers listings are next: a full Super Lawyers selection or a Best Lawyers listing outranks Rising Stars and Ones to Watch, and more names outrank fewer. A Newsweek listing is next, and a higher star mark recorded on that Newsweek listing outranks a lower one. A Vault Law 100 rank is next, with a lower rank number ahead of a higher one. Anything still tied follows the research notes' suggested order, then the business name. Avvo review figures are shown when the file records an exact total, and they are not a further tie-break.
A source count of 0 is not a negative mark. Those businesses are under Also serving the area, A to Z, with no number and no score. Sponsored blocks, paid directory placements, and awards that appear only on a business's own site are not counted. Rank on this page is not for sale. There is no featured-partner placement and no composite score.
Higher counts of distinct independent publishers come first. One counted source is enough for a numbered rank.
Ties break on Best Law Firms tier, then Super Lawyers and Best Lawyers listings, then Newsweek, then Vault Law 100.
Remaining ties follow the research notes' suggested order, then the business name. Avvo totals are not a tie-break.
Zero counted sources means an alphabetical listing with no number and no score. Rank is not paid.
Rank on this page is not for sale. If a business in this metro is missing, or a recorded fact needs an update, use the listing form. Editorial review decides what is included.
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